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BOSTON MARATHON 2026

Grace Harris

Bib: 13371•F

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 48%
Gender (Female)
#0 / 12578
Top 35%
Age Group (F18-39)
#0 / 5716
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
25:49
3.11 mi
Rank: #18925
Start → 5K
25:49 | 8:19/mi
10K
50:55
6.21 mi
Rank: #18373 (+552)
5K → 10K
25:06 | 8:05/mi
15K
1:16:00
9.32 mi
Rank: #18096 (+277)
10K → 15K
25:05 | 8:05/mi
20K
1:41:57
12.43 mi
Rank: #18188 (-92)
15K → 20K
25:57 | 8:22/mi
HALF
1:47:05
13.11 mi
Rank: #17975 (+213)
20K → HALF
5:08 | 7:32/mi
25K
2:05:55
15.53 mi
Rank: #17302 (+673)
HALF → 25K
18:50 | 7:46/mi
30K
2:30:30
18.64 mi
Rank: #16533 (+769)
25K → 30K
24:35 | 7:55/mi
20M
2:41:16
20.00 mi
Rank: #16202 (+331)
30K → 20M
10:46 | 7:56/mi
21M
2:49:25
21.00 mi
Rank: #15882 (+320)
20M → 21M
8:09 | 8:09/mi
35K
2:55:00
21.75 mi
Rank: #15674 (+208)
21M → 35K
5:35 | 7:28/mi
23M
3:03:58
23.00 mi
Rank: #15128 (+546)
35K → 23M
8:58 | 7:10/mi
24M
3:10:58
24.00 mi
Rank: #14718 (+410)
23M → 24M
7:00 | 7:00/mi
40K
3:17:05
24.85 mi
Rank: #14388 (+330)
24M → 40K
6:07 | 7:10/mi
25.2M
3:19:51
25.20 mi
Rank: #14280 (+108)
40K → 25.2M
2:46 | 8:02/mi
FINISH
3:26:55
26.22 mi
Rank: #13997 (+283)
25.2M → FINISH
7:04 | 6:57/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:47:05
Pace8:11 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:39:50
Pace7:37 /mi
📊Negative Split: 6.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:5325:498:1925:49
8:19
-
10K
6.21 mi11:19:5950:558:1225:06
8:05
-0:14
15K
9.32 mi11:45:041:16:008:1025:05
8:05
0:00
20K
12.43 mi12:11:011:41:578:1325:57
8:22
+0:17
HALF
13.11 mi12:16:091:47:058:115:08
7:32
-0:50
25K
15.53 mi12:34:592:05:558:0718:50
7:46
+0:14
30K
18.64 mi12:59:342:30:308:0524:35
7:55
+0:09
20M
20.00 mi13:10:202:41:168:0410:46
7:56
+0:01
21M
21.00 mi13:18:292:49:258:058:09
8:09
+0:13
35K
21.75 mi13:24:042:55:008:035:35
7:28
-0:41
23M
23.00 mi13:33:023:03:588:008:58
7:10
-0:18
24M
24.00 mi13:40:023:10:587:587:00
7:00
-0:10
40K
24.85 mi13:46:093:17:057:566:07
7:10
+0:10
25.2M
25.20 mi13:48:553:19:517:562:46
8:02
+0:52
FINISH
26.22 mi13:55:593:26:557:547:04
6:57
-1:05

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

6:57 /mi

Average Pace

7:54 /mi

Slowest Pace

8:22 /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

39:52

19% of race

Time at Steady Pace

1:47:08

52% of race

Time at Slower Pace

59:55

29% of race

Average Pace: 7:53 /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 mi10:54:5325:498:1925:49
8:19
#18925
10K
6.21 mi11:19:5950:558:1225:06
8:05
#18373
15K
9.32 mi11:45:041:16:008:1025:05
8:05
#18096
20K
12.43 mi12:11:011:41:578:1325:57
8:22
#18188
HALF
13.11 mi12:16:091:47:058:115:08
7:32
#17975
25K
15.53 mi12:34:592:05:558:0718:50
7:46
#17302
30K
18.64 mi12:59:342:30:308:0524:35
7:55
#16533
20M
20.00 mi13:10:202:41:168:0410:46
7:56
#16202
21M
21.00 mi13:18:292:49:258:058:09
8:09
#15882
35K
21.75 mi13:24:042:55:008:035:35
7:28
#15674
23M
23.00 mi13:33:023:03:588:008:58
7:10
#15128
24M
24.00 mi13:40:023:10:587:587:00
7:00
#14718
40K
24.85 mi13:46:093:17:057:566:07
7:10
#14388
25.2M
25.20 mi13:48:553:19:517:562:46
8:02
#14280
FINISH
26.22 mi13:55:593:26:557:547:04
6:57
#13997
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi189257039703917520(Top 60%)6205(Top 49%)6205(Top 109%)
10K6.21 mi3.10 mi18373+5526705+3346705+33417822(Top 61%)6389(Top 51%)6389(Top 112%)
15K9.32 mi3.11 mi18096+2776540+1656540+16517520(Top 60%)6205(Top 49%)6205(Top 109%)
20K12.43 mi3.11 mi18188-926589-496589-4918430(Top 64%)6754(Top 54%)6754(Top 118%)
HALF13.11 mi0.68 mi17975+2136473+1166473+11613345(Top 46%)3790(Top 30%)3790(Top 66%)
25K15.53 mi2.42 mi17302+6736107+3666107+36613574(Top 47%)4061(Top 32%)4061(Top 71%)
30K18.64 mi3.11 mi16533+7695714+3935714+39312860(Top 44%)3779(Top 30%)3779(Top 66%)
20M20.00 mi1.36 mi16202+3315544+1705544+17012337(Top 43%)3588(Top 29%)3588(Top 63%)
21M21.00 mi1.00 mi15882+3205367+1775367+17710945(Top 38%)2982(Top 24%)2982(Top 52%)
35K21.75 mi0.75 mi15674+2085262+1055262+10510645(Top 37%)2842(Top 23%)2842(Top 50%)
23M23.00 mi1.25 mi15128+5464972+2904972+2906582(Top 23%)1092(Top 9%)1092(Top 19%)
24M24.00 mi1.00 mi14718+4104756+2164756+2166521(Top 22%)1132(Top 9%)1132(Top 20%)
40K24.85 mi0.85 mi14388+3304576+1804576+1806513(Top 22%)1188(Top 9%)1188(Top 21%)
25.2M25.20 mi0.35 mi14280+1084531+454531+458650(Top 30%)2224(Top 18%)2224(Top 39%)
FINISH26.22 mi1.02 mi13997+2834381+1504381+1507105(Top 24%)1536(Top 12%)1536(Top 27%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21
+97ft-345ft

Overall

17520

Females

6205

F18-39

6205

5K→10K

3.1 - 6.2 mi

Top 61%
×5
+79ft-138ft

Overall

17822

Females

6389

F18-39

6389

10K→15K

6.2 - 9.3 mi

Top 60%
×3
+67ft-78ft

Overall

17520

Females

6205

F18-39

6205

15K→20K

9.3 - 12.4 mi

Top 64%
×5
+106ft-86ft

Overall

18430

Females

6754

F18-39

6754

20K→HALF

12.4 - 13.1 mi

Top 46%
×2
+19ft-37ft

Overall

13345

Females

3790

F18-39

3790

HALF→25K

13.1 - 15.5 mi

Top 47%
×4
+66ft-88ft

Overall

13574

Females

4061

F18-39

4061

25K→30K

15.5 - 18.6 mi

Top 44%
×9
+181ft-148ft

Overall

12860

Females

3779

F18-39

3779

30K→20M

18.6 - 20.0 mi

Top 43%
×5
+64ft-50ft

Overall

12337

Females

3588

F18-39

3588

20M→21M

20.0 - 21.0 mi

Top 38%
×8
+106ft-24ft

Overall

10945

Females

2982

F18-39

2982

21M→35K

21.0 - 21.8 mi

Top 37%
×7
+17ft-86ft

Overall

10645

Females

2842

F18-39

2842

35K→23M

21.8 - 23.0 mi

Top 23%
×5
+23ft-63ft

Overall

6582

Females

1092

F18-39

1092

23M→24M

23.0 - 24.0 mi

Top 22%
×6
+12ft-82ft

Overall

6521

Females

1132

F18-39

1132

24M→40K

24.0 - 24.9 mi

Top 22%
×1
+6ft-20ft

Overall

6513

Females

1188

F18-39

1188

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1
+13ft-16ft

Overall

8650

Females

2224

F18-39

2224

25.2M→FINISH

25.2 - 26.2 mi

Top 24%
×2
+22ft-21ft

Overall

7105

Females

1536

F18-39

1536

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
5335
Passed By
407
Net Change
+4928
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18925
5K → 10K63785+552#18925#18373
10K → 15K36689+277#18373#18096
15K → 20K127219-92#18096#18188
20K → HALF2130+213#18188#17975
HALF → 25K6741+673#17975#17302
25K → 30K7745+769#17302#16533
30K → 20M3310+331#16533#16202
20M → 21M3222+320#16202#15882
21M → 35K2091+208#15882#15674
35K → 23M5460+546#15674#15128
23M → 24M4100+410#15128#14718
24M → 40K3300+330#14718#14388
40K → 25.2M1113+108#14388#14280
25.2M → FINISH2852+283#14280#13997
TOTALS5335407+4928
📊

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

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing