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BOSTON MARATHON 2025

Claire Harrington

Bib: 14009•F

IL

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 32%
Gender (Female)
#0 / 12228
Top 15%
Division (F18-39)
#0 / 5469
Top 26%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:55
Rank: #13955
Start → 5K
23:55 | 7:42/mi
10K· 6.21 mi
47:51
Rank: #13913 (+42)
5K → 10K
23:56 | 7:42/mi
15K· 9.32 mi
1:11:10
Rank: #13183 (+730)
10K → 15K
23:19 | 7:30/mi
20K· 12.43 mi
1:34:15
Rank: #12351 (+832)
15K → 20K
23:05 | 7:26/mi
Half· 13.11 mi
1:39:13
Rank: #12236 (+115)
20K → Half
4:58 | 7:17/mi
25K· 15.53 mi
1:57:20
Rank: #11793 (+443)
Half → 25K
18:07 | 7:28/mi
30K· 18.64 mi
2:20:33
Rank: #10950 (+843)
25K → 30K
23:13 | 7:28/mi
20M
2:30:52
Rank: #10631 (+319)
30K → 20M
10:19 | 7:36/mi
21M
2:38:42
Rank: #10299 (+332)
20M → 21M
7:50 | 7:50/mi
35K· 21.75 mi
2:44:09
Rank: #10163 (+136)
21M → 35K
5:27 | 7:17/mi
23M
2:53:24
Rank: #9835 (+328)
35K → 23M
9:15 | 7:23/mi
24M
3:00:36
Rank: #9599 (+236)
23M → 24M
7:12 | 7:12/mi
40K· 24.85 mi
3:06:49
Rank: #9385 (+214)
24M → 40K
6:13 | 7:16/mi
25.2M
3:09:32
Rank: #9274 (+111)
40K → 25.2M
2:43 | 7:53/mi
Finish· 26.22 mi
3:16:32
Rank: #9036 (+238)
25.2M → Finish
7:00 | 6:52/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:39:13
Pace7:34 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:37:19
Pace7:25 /mi
📊Negative Split: 1.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:2423:557:4223:55
7:42
-
10K
6.21 mi11:20:2047:517:4223:56
7:42
0:00
15K
9.32 mi11:43:391:11:107:3823:19
7:30
-0:12
20K
12.43 mi12:06:441:34:157:3523:05
7:26
-0:04
Half
13.11 mi12:11:421:39:137:344:58
7:17
-0:09
25K
15.53 mi12:29:491:57:207:3318:07
7:28
+0:11
30K
18.64 mi12:53:022:20:337:3223:13
7:28
0:00
20M
20.00 mi13:03:212:30:527:3310:19
7:36
+0:08
21M
21.00 mi13:11:112:38:427:337:50
7:50
+0:14
35K
21.75 mi13:16:382:44:097:335:27
7:17
-0:33
23M
23.00 mi13:25:532:53:247:329:15
7:23
+0:06
24M
24.00 mi13:33:053:00:367:327:12
7:12
-0:11
40K
24.85 mi13:39:183:06:497:316:13
7:16
+0:04
25.2M
25.20 mi13:42:013:09:327:312:43
7:53
+0:37
Finish
26.22 mi13:49:013:16:327:307:00
6:52
-1:01

Checkpoints & Pacing

📈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

6:52 /mi

Average Pace

7:30 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:07:49

65% of race

Time at Steady Pace

1:08:43

35% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:30 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:56:2423:557:4223:55
7:42
#13955
10K
6.21 mi11:20:2047:517:4223:56
7:42
#13913
15K
9.32 mi11:43:391:11:107:3823:19
7:30
#13183
20K
12.43 mi12:06:441:34:157:3523:05
7:26
#12351
Half
13.11 mi12:11:421:39:137:344:58
7:17
#12236
25K
15.53 mi12:29:491:57:207:3318:07
7:28
#11793
30K
18.64 mi12:53:022:20:337:3223:13
7:28
#10950
20M
20.00 mi13:03:212:30:527:3310:19
7:36
#10631
21M
21.00 mi13:11:112:38:427:337:50
7:50
#10299
35K
21.75 mi13:16:382:44:097:335:27
7:17
#10163
23M
23.00 mi13:25:532:53:247:329:15
7:23
#9835
24M
24.00 mi13:33:053:00:367:327:12
7:12
#9599
40K
24.85 mi13:39:183:06:497:316:13
7:16
#9385
25.2M
25.20 mi13:42:013:09:327:312:43
7:53
#9274
Finish
26.22 mi13:49:013:16:327:307:00
6:52
#9036
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi139553876387611802(Top 42%)2796(Top 23%)2796(Top 51%)
10K6.21 mi3.10 mi13913+423885-93885-913925(Top 49%)3912(Top 32%)3912(Top 72%)
15K9.32 mi3.11 mi13183+7303500+3853500+38511802(Top 42%)2796(Top 23%)2796(Top 51%)
20K12.43 mi3.11 mi12351+8323058+4423058+44210170(Top 36%)2037(Top 17%)2037(Top 37%)
Half13.11 mi0.68 mi12236+1153005+533005+539885(Top 35%)1901(Top 16%)1901(Top 35%)
25K15.53 mi2.42 mi11793+4432813+1922813+1929741(Top 34%)1990(Top 16%)1990(Top 36%)
30K18.64 mi3.11 mi10950+8432443+3702443+3707569(Top 27%)1225(Top 10%)1225(Top 22%)
20M20.00 mi1.36 mi10631+3192319+1242319+1247658(Top 27%)1404(Top 11%)1404(Top 26%)
21M21.00 mi1.00 mi10299+3322188+1312188+1316428(Top 23%)1081(Top 9%)1081(Top 20%)
35K21.75 mi0.75 mi10163+1362143+452143+457199(Top 25%)1376(Top 11%)1376(Top 25%)
23M23.00 mi1.25 mi9835+3282026+1172026+1176027(Top 21%)1037(Top 8%)1037(Top 19%)
24M24.00 mi1.00 mi9599+2361947+791947+795873(Top 21%)1030(Top 8%)1030(Top 19%)
40K24.85 mi0.85 mi9385+2141880+671880+675534(Top 19%)960(Top 8%)960(Top 18%)
25.2M25.20 mi0.35 mi9274+1111852+281852+285410(Top 19%)1040(Top 9%)1040(Top 19%)
Finish26.22 mi1.02 mi9036+2381786+661786+664937(Top 17%)857(Top 7%)857(Top 16%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21stories
+97ft-345ft

Overall

11802

Females

2796

F18-39

2796

5K→10K

3.1 - 6.2 mi

Top 49%
×5stories
+79ft-138ft

Overall

13925

Females

3912

F18-39

3912

10K→15K

6.2 - 9.3 mi

Top 42%
×3stories
+67ft-78ft

Overall

11802

Females

2796

F18-39

2796

15K→20K

9.3 - 12.4 mi

Top 36%
×5stories
+106ft-86ft

Overall

10170

Females

2037

F18-39

2037

20K→Half

12.4 - 13.1 mi

Top 35%
×2stories
+19ft-37ft

Overall

9885

Females

1901

F18-39

1901

Half→25K

13.1 - 15.5 mi

Top 34%
×4stories
+66ft-88ft

Overall

9741

Females

1990

F18-39

1990

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

7569

Females

1225

F18-39

1225

30K→20M

18.6 - 20.0 mi

Top 27%
×5stories
+64ft-50ft

Overall

7658

Females

1404

F18-39

1404

20M→21M

20.0 - 21.0 mi

Top 23%
×8stories
+106ft-24ft

Overall

6428

Females

1081

F18-39

1081

21M→35K

21.0 - 21.8 mi

Top 25%
×7stories
+17ft-86ft

Overall

7199

Females

1376

F18-39

1376

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

6027

Females

1037

F18-39

1037

23M→24M

23.0 - 24.0 mi

Top 21%
×6stories
+12ft-82ft

Overall

5873

Females

1030

F18-39

1030

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5534

Females

960

F18-39

960

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5410

Females

1040

F18-39

1040

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2stories
+22ft-21ft

Overall

4937

Females

857

F18-39

857

Passing Analysis

Category:
Athletes Passed
5232*
Passed By
313
Net Change
+4919
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13955
5K → 10K295253+42#13955#13913
10K → 15K74313+730#13913#13183
15K → 20K8364+832#13183#12351
20K → Half1150+115#12351#12236
Half → 25K45613+443#12236#11793
25K → 30K8474+843#11793#10950
30K → 20M3256+319#10950#10631
20M → 21M3342+332#10631#10299
21M → 35K1415+136#10299#10163
35K → 23M331*3+328#10163#9835
23M → 24M2404+236#9835#9599
24M → 40K2151+214#9599#9385
40K → 25.2M1132+111#9385#9274
25.2M → Finish2413+238#9274#9036
TOTALS5232*313+4919

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

📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing