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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Chelsea Harp

Bib: 10162 •F •Age: N/A

SC

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 37%
Gender (Female)
#0 / 12578
Top 21%
Masters (Masters Women)
#0 / 6862
Top 8%
Age Group (F40-44)
#0 / 1737
Top 17%
Race Day Weather
51°/41°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
22:29
3.11 mi
Rank: #10528
Start → 5K
22:29 | 7:15/mi
10K
45:04
6.21 mi
Rank: #10691 (-163)
5K → 10K
22:35 | 7:17/mi
15K
1:07:39
9.32 mi
Rank: #10671 (+20)
10K → 15K
22:35 | 7:17/mi
20K
1:30:31
12.43 mi
Rank: #10650 (+21)
15K → 20K
22:52 | 7:22/mi
HALF
1:35:27
13.11 mi
Rank: #10638 (+12)
20K → HALF
4:56 | 7:15/mi
25K
1:53:15
15.53 mi
Rank: #10502 (+136)
HALF → 25K
17:48 | 7:21/mi
30K
2:17:11
18.64 mi
Rank: #10606 (-104)
25K → 30K
23:56 | 7:43/mi
20M
2:27:45
20.00 mi
Rank: #10648 (-42)
30K → 20M
10:34 | 7:47/mi
21M
2:35:53
21.00 mi
Rank: #10628 (+20)
20M → 21M
8:08 | 8:08/mi
35K
2:41:42
21.75 mi
Rank: #10713 (-85)
21M → 35K
5:49 | 7:47/mi
23M
2:51:38
23.00 mi
Rank: #10749 (-36)
35K → 23M
9:56 | 7:57/mi
24M
2:59:26
24.00 mi
Rank: #10768 (-19)
23M → 24M
7:48 | 7:48/mi
40K
3:06:10
24.85 mi
Rank: #10767 (+1)
24M → 40K
6:44 | 7:53/mi
25.2M
3:09:12
25.20 mi
Rank: #10812 (-45)
40K → 25.2M
3:02 | 8:48/mi
FINISH
3:17:00
26.22 mi
Rank: #10862 (-50)
25.2M → FINISH
7:48 | 7:40/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:35:27
Pace7:17 /mi
2nd Half
Distance13.11 mi
Time1:41:33
Pace7:45 /mi
📊Positive Split: 6.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:39:2022:297:1522:29
7:15
-
10K
6.21 mi11:01:5545:047:1622:35
7:17
+0:02
15K
9.32 mi11:24:301:07:397:1622:35
7:17
0:00
20K
12.43 mi11:47:221:30:317:1822:52
7:22
+0:05
HALF
13.11 mi11:52:181:35:277:174:56
7:15
-0:07
25K
15.53 mi12:10:061:53:157:1817:48
7:21
+0:06
30K
18.64 mi12:34:022:17:117:2223:56
7:43
+0:22
20M
20.00 mi12:44:362:27:457:2410:34
7:47
+0:04
21M
21.00 mi12:52:442:35:537:268:08
8:08
+0:21
35K
21.75 mi12:58:332:41:427:275:49
7:47
-0:21
23M
23.00 mi13:08:292:51:387:289:56
7:57
+0:10
24M
24.00 mi13:16:172:59:267:297:48
7:48
-0:09
40K
24.85 mi13:23:013:06:107:306:44
7:53
+0:05
25.2M
25.20 mi13:26:033:09:127:313:02
8:48
+0:55
FINISH
26.22 mi13:33:513:17:007:327:48
7:40
-1:08

Checkpoint Splits Visualizations

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

📈Pace 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

7:15 /mi

Average Pace

7:31 /mi

Slowest Pace

8:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

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

1:53:15

57% of race

Time at Steady Pace

1:02:39

32% of race

Time at Slower Pace

21:06

11% of race

Average Pace: 7:31 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ 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 mi10:39:2022:297:1522:29
7:15
#10528
10K
6.21 mi11:01:5545:047:1622:35
7:17
#10691
15K
9.32 mi11:24:301:07:397:1622:35
7:17
#10671
20K
12.43 mi11:47:221:30:317:1822:52
7:22
#10650
HALF
13.11 mi11:52:181:35:277:174:56
7:15
#10638
25K
15.53 mi12:10:061:53:157:1817:48
7:21
#10502
30K
18.64 mi12:34:022:17:117:2223:56
7:43
#10606
20M
20.00 mi12:44:362:27:457:2410:34
7:47
#10648
21M
21.00 mi12:52:442:35:537:268:08
8:08
#10628
35K
21.75 mi12:58:332:41:427:275:49
7:47
#10713
23M
23.00 mi13:08:292:51:387:289:56
7:57
#10749
24M
24.00 mi13:16:172:59:267:297:48
7:48
#10768
40K
24.85 mi13:23:013:06:107:306:44
7:53
#10767
25.2M
25.20 mi13:26:033:09:127:313:02
8:48
#10812
FINISH
26.22 mi13:33:513:17:007:327:48
7:40
#10862
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 mi105282149214910777(Top 37%)2353(Top 19%)2353(Top 135%)
10K6.21 mi3.10 mi10691-1632236-872236-8710895(Top 38%)2370(Top 19%)2370(Top 136%)
15K9.32 mi3.11 mi10671+202259-232259-2310777(Top 37%)2353(Top 19%)2353(Top 135%)
20K12.43 mi3.11 mi10650+212287-282287-2810764(Top 37%)2446(Top 19%)2446(Top 141%)
HALF13.11 mi0.68 mi10638+122281+62281+610733(Top 37%)2357(Top 19%)2357(Top 136%)
25K15.53 mi2.42 mi10502+1362243+382243+3810083(Top 35%)2171(Top 17%)2171(Top 125%)
30K18.64 mi3.11 mi10606-1042346-1032346-10311272(Top 39%)2908(Top 23%)2908(Top 167%)
20M20.00 mi1.36 mi10648-422394-482394-4811197(Top 39%)2988(Top 24%)2988(Top 172%)
21M21.00 mi1.00 mi10628+202404-102404-1010799(Top 37%)2889(Top 23%)2889(Top 166%)
35K21.75 mi0.75 mi10713-852476-722476-7212875(Top 44%)3997(Top 32%)3997(Top 230%)
23M23.00 mi1.25 mi10749-362517-412517-4112045(Top 42%)3617(Top 29%)3617(Top 208%)
24M24.00 mi1.00 mi10768-192543-262543-2612315(Top 42%)3872(Top 31%)3872(Top 223%)
40K24.85 mi0.85 mi10767+12562-192562-1911627(Top 40%)3570(Top 28%)3570(Top 206%)
25.2M25.20 mi0.35 mi10812-452601-392601-3913510(Top 47%)4605(Top 37%)4605(Top 265%)
FINISH26.22 mi1.02 mi10862-502650-492650-4912636(Top 44%)4188(Top 33%)4188(Top 241%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21
+97ft-345ft

Overall

10777

Females

2353

F40-44

2353

5K→10K

3.1 - 6.2 mi

Top 38%
×5
+79ft-138ft

Overall

10895

Females

2370

F40-44

2370

10K→15K

6.2 - 9.3 mi

Top 37%
×3
+67ft-78ft

Overall

10777

Females

2353

F40-44

2353

15K→20K

9.3 - 12.4 mi

Top 37%
×5
+106ft-86ft

Overall

10764

Females

2446

F40-44

2446

20K→HALF

12.4 - 13.1 mi

Top 37%
×2
+19ft-37ft

Overall

10733

Females

2357

F40-44

2357

HALF→25K

13.1 - 15.5 mi

Top 35%
×4
+66ft-88ft

Overall

10083

Females

2171

F40-44

2171

25K→30K

15.5 - 18.6 mi

Top 39%
×9
+181ft-148ft

Overall

11272

Females

2908

F40-44

2908

30K→20M

18.6 - 20.0 mi

Top 39%
×5
+64ft-50ft

Overall

11197

Females

2988

F40-44

2988

20M→21M

20.0 - 21.0 mi

Top 37%
×8
+106ft-24ft

Overall

10799

Females

2889

F40-44

2889

21M→35K

21.0 - 21.8 mi

Top 44%
×7
+17ft-86ft

Overall

12875

Females

3997

F40-44

3997

35K→23M

21.8 - 23.0 mi

Top 42%
×5
+23ft-63ft

Overall

12045

Females

3617

F40-44

3617

23M→24M

23.0 - 24.0 mi

Top 42%
×6
+12ft-82ft

Overall

12315

Females

3872

F40-44

3872

24M→40K

24.0 - 24.9 mi

Top 40%
×1
+6ft-20ft

Overall

11627

Females

3570

F40-44

3570

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1
+13ft-16ft

Overall

13510

Females

4605

F40-44

4605

25.2M→FINISH

25.2 - 26.2 mi

Top 44%
×2
+22ft-21ft

Overall

12636

Females

4188

F40-44

4188

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1413
Passed By
1552
Net Change
-334
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10528
5K → 10K171200-163#10528#10691
10K → 15K163143+20#10691#10671
15K → 20K165144+21#10671#10650
20K → HALF3523+12#10650#10638
HALF → 25K19458+136#10638#10502
25K → 30K157200-104#10502#10606
30K → 20M86128-42#10606#10648
20M → 21M9979+20#10648#10628
21M → 35K44129-85#10628#10713
35K → 23M93129-36#10713#10749
23M → 24M7493-19#10749#10768
24M → 40K6059+1#10768#10767
40K → 25.2M2065-45#10767#10812
25.2M → FINISH52102-50#10812#10862
TOTALS14131552-334
📊

Passing Analysis Visualizations

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

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

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