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BOSTON MARATHON 2026

Erica Harlow

Bib: 32542β€’F

NH

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0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F40-44)
#0 / 1737
Race Day Weather
51Β°/41Β°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
30:54
3.11 mi
Rank: #25809
Start β†’ 5K
30:54 | 9:57/mi
10K
1:02:19
6.21 mi
Rank: #25959 (-150)
5K β†’ 10K
31:25 | 10:07/mi
15K
1:32:41
9.32 mi
Rank: #25681 (+278)
10K β†’ 15K
30:22 | 9:47/mi
20K
2:04:51
12.43 mi
Rank: #25720 (-39)
15K β†’ 20K
32:10 | 10:22/mi
HALF
2:12:03
13.11 mi
Rank: #25786 (-66)
20K β†’ HALF
7:12 | 10:34/mi
25K
2:37:54
15.53 mi
Rank: #25799 (-13)
HALF β†’ 25K
25:51 | 10:40/mi
30K
3:09:24
18.64 mi
Rank: #25354 (+445)
25K β†’ 30K
31:30 | 10:09/mi
20M
3:22:56
20.00 mi
Rank: #25148 (+206)
30K β†’ 20M
13:32 | 9:58/mi
21M
3:33:18
21.00 mi
Rank: #24963 (+185)
20M β†’ 21M
10:22 | 10:22/mi
35K
3:40:44
21.75 mi
Rank: #24891 (+72)
21M β†’ 35K
7:26 | 9:57/mi
23M
3:53:23
23.00 mi
Rank: #24759 (+132)
35K β†’ 23M
12:39 | 10:07/mi
24M
4:03:47
24.00 mi
Rank: #24722 (+37)
23M β†’ 24M
10:24 | 10:24/mi
40K
4:12:23
24.85 mi
Rank: #24618 (+104)
24M β†’ 40K
8:36 | 10:04/mi
25.2M
4:15:58
25.20 mi
Rank: #24562 (+56)
40K β†’ 25.2M
3:35 | 10:24/mi
FINISH
4:25:40
26.22 mi
Rank: #24484 (+78)
25.2M β†’ FINISH
9:42 | 9:32/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:12:03
Pace10:05 /mi
2nd Half
Distance13.11 mi
Time2:13:37
Pace10:12 /mi
πŸ“ŠPositive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:00:1830:549:5730:54
9:57
-
10K
6.21 mi12:31:431:02:1910:0231:25
10:07
+0:10
15K
9.32 mi13:02:051:32:419:5730:22
9:47
-0:20
20K
12.43 mi13:34:152:04:5110:0332:10
10:22
+0:35
HALF
13.11 mi13:41:272:12:0310:057:12
10:34
+0:12
25K
15.53 mi14:07:182:37:5410:1025:51
10:40
+0:06
30K
18.64 mi14:38:483:09:2410:1031:30
10:09
-0:31
20M
20.00 mi14:52:203:22:5610:0913:32
9:58
-0:11
21M
21.00 mi15:02:423:33:1810:1010:22
10:22
+0:24
35K
21.75 mi15:10:083:40:4410:097:26
9:57
-0:25
23M
23.00 mi15:22:473:53:2310:0912:39
10:07
+0:10
24M
24.00 mi15:33:114:03:4710:1010:24
10:24
+0:17
40K
24.85 mi15:41:474:12:2310:108:36
10:04
-0:20
25.2M
25.20 mi15:45:224:15:5810:103:35
10:24
+0:20
FINISH
26.22 mi15:55:044:25:4010:099:42
9:32
-0:52

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

9:32 /mi

Average Pace

10:08 /mi

Slowest Pace

10:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

3:52:37

88% of race

Time at Steady Pace

33:03

12% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:08 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi12:00:1830:549:5730:54
9:57
#25809
10K
6.21 mi12:31:431:02:1910:0231:25
10:07
#25959
15K
9.32 mi13:02:051:32:419:5730:22
9:47
#25681
20K
12.43 mi13:34:152:04:5110:0332:10
10:22
#25720
HALF
13.11 mi13:41:272:12:0310:057:12
10:34
#25786
25K
15.53 mi14:07:182:37:5410:1025:51
10:40
#25799
30K
18.64 mi14:38:483:09:2410:1031:30
10:09
#25354
20M
20.00 mi14:52:203:22:5610:0913:32
9:58
#25148
21M
21.00 mi15:02:423:33:1810:1010:22
10:22
#24963
35K
21.75 mi15:10:083:40:4410:097:26
9:57
#24891
23M
23.00 mi15:22:473:53:2310:0912:39
10:07
#24759
24M
24.00 mi15:33:114:03:4710:1010:24
10:24
#24722
40K
24.85 mi15:41:474:12:2310:108:36
10:04
#24618
25.2M
25.20 mi15:45:224:15:5810:103:35
10:24
#24562
FINISH
26.22 mi15:55:044:25:4010:099:42
9:32
#24484
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi25809106081060825156(Top 87%)10264(Top 82%)10264(Top 591%)
10K6.21 mi3.10 mi25959-15010700-9210700-9226119(Top 90%)10784(Top 86%)10784(Top 621%)
15K9.32 mi3.11 mi25681+27810542+15810542+15825156(Top 87%)10264(Top 82%)10264(Top 591%)
20K12.43 mi3.11 mi25720-3910564-2210564-2225829(Top 89%)10648(Top 85%)10648(Top 613%)
HALF13.11 mi0.68 mi25786-6610598-3410598-3426767(Top 92%)11219(Top 89%)11219(Top 646%)
25K15.53 mi2.42 mi25799-1310627-2910627-2925782(Top 89%)10665(Top 85%)10665(Top 614%)
30K18.64 mi3.11 mi25354+44510404+22310404+22323479(Top 81%)9553(Top 76%)9553(Top 550%)
20M20.00 mi1.36 mi25148+20610324+8010324+8022488(Top 77%)9104(Top 72%)9104(Top 524%)
21M21.00 mi1.00 mi24963+18510235+8910235+8921627(Top 75%)8705(Top 69%)8705(Top 501%)
35K21.75 mi0.75 mi24891+7210205+3010205+3023003(Top 79%)9457(Top 75%)9457(Top 544%)
23M23.00 mi1.25 mi24759+13210154+5110154+5122440(Top 77%)9221(Top 73%)9221(Top 531%)
24M24.00 mi1.00 mi24722+3710145+910145+923861(Top 82%)10005(Top 80%)10005(Top 576%)
40K24.85 mi0.85 mi24618+10410108+3710108+3722109(Top 76%)9161(Top 73%)9161(Top 527%)
25.2M25.20 mi0.35 mi24562+5610083+2510083+2520803(Top 72%)8481(Top 67%)8481(Top 488%)
FINISH26.22 mi1.02 mi24484+7810062+2110062+2122429(Top 77%)9301(Top 74%)9301(Top 535%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
Γ—21
+97ft-345ft

Overall

25156

Females

10264

F40-44

10264

5K→10K

3.1 - 6.2 mi

Top 90%
Γ—5
+79ft-138ft

Overall

26119

Females

10784

F40-44

10784

10K→15K

6.2 - 9.3 mi

Top 87%
Γ—3
+67ft-78ft

Overall

25156

Females

10264

F40-44

10264

15K→20K

9.3 - 12.4 mi

Top 89%
Γ—5
+106ft-86ft

Overall

25829

Females

10648

F40-44

10648

20K→HALF

12.4 - 13.1 mi

Top 92%
Γ—2
+19ft-37ft

Overall

26767

Females

11219

F40-44

11219

HALF→25K

13.1 - 15.5 mi

Top 89%
Γ—4
+66ft-88ft

Overall

25782

Females

10665

F40-44

10665

25K→30K

15.5 - 18.6 mi

Top 81%
Γ—9
+181ft-148ft

Overall

23479

Females

9553

F40-44

9553

30K→20M

18.6 - 20.0 mi

Top 77%
Γ—5
+64ft-50ft

Overall

22488

Females

9104

F40-44

9104

20M→21M

20.0 - 21.0 mi

Top 75%
Γ—8
+106ft-24ft

Overall

21627

Females

8705

F40-44

8705

21M→35K

21.0 - 21.8 mi

Top 79%
Γ—7
+17ft-86ft

Overall

23003

Females

9457

F40-44

9457

35K→23M

21.8 - 23.0 mi

Top 77%
Γ—5
+23ft-63ft

Overall

22440

Females

9221

F40-44

9221

23M→24M

23.0 - 24.0 mi

Top 82%
Γ—6
+12ft-82ft

Overall

23861

Females

10005

F40-44

10005

24M→40K

24.0 - 24.9 mi

Top 76%
Γ—1
+6ft-20ft

Overall

22109

Females

9161

F40-44

9161

40K→25.2M

24.9 - 25.2 mi

Top 72%
Γ—1
+13ft-16ft

Overall

20803

Females

8481

F40-44

8481

25.2M→FINISH

25.2 - 26.2 mi

Top 77%
Γ—2
+22ft-21ft

Overall

22429

Females

9301

F40-44

9301

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2031*
Passed By
617
Net Change
+1325
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#25809
5K β†’ 10K139200-150#25809#25959
10K β†’ 15K300*22+278#25959#25681
15K β†’ 20K105144-39#25681#25720
20K β†’ HALF1278-66#25720#25786
HALF β†’ 25K98111-13#25786#25799
25K β†’ 30K445*0+445#25799#25354
30K β†’ 20M206*0+206#25354#25148
20M β†’ 21M1883+185#25148#24963
21M β†’ 35K8311+72#24963#24891
35K β†’ 23M1408+132#24891#24759
23M β†’ 24M6124+37#24759#24722
24M β†’ 40K1084+104#24722#24618
40K β†’ 25.2M571+56#24618#24562
25.2M β†’ FINISH8911+78#24562#24484
TOTALS2031*617+1325

* Includes athletes who did not complete a segment (DNF/DNQ).

πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing