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BOSTON MARATHON 2025

Colleen Martell

Bib: 31639•F

MA

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

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:06/mi
28:15
↑ 97↓ 3451.5%
10K· 6.21 mi
9:26/mi
57:33
↑ 79↓ 1380.4%
15K· 9.32 mi
9:07/mi
1:25:54
↑ 67↓ 78
20K· 12.43 mi
9:25/mi
1:55:10
↑ 106↓ 860.1%
Half· 13.11 mi
9:17/mi
2:01:30
↑ 19↓ 370.5%
25K· 15.53 mi
9:42/mi
2:25:00
↑ 66↓ 880.2%
30K· 18.64 mi
11:23/mi
3:00:23
↑ 181↓ 1480.2%
20M
10:42/mi
3:14:56
↑ 64↓ 500.2%
21M
11:46/mi
3:26:42
↑ 106↓ 241.6%
35K· 21.75 mi
10:11/mi
3:34:19
↑ 17↓ 861.7%
23M
10:53/mi
3:47:56
↑ 23↓ 630.6%
24M
11:33/mi
3:59:29
↓ 821.3%
40K· 24.85 mi
11:14/mi
4:09:05
↓ 200.3%
25.2M
11:39/mi
4:13:06
↑ 13↓ 160.2%
Finish· 26.22 mi
9:44/mi
4:23:01
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:01:30
Pace9:16 /mi
2nd Half
Distance13.11 mi
Time2:21:31
Pace10:48 /mi
📊Positive Split: 16.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:4228:159:0628:15
9:06
-
10K
6.21 mi12:22:0057:339:1629:18
9:26
+0:20
15K
9.32 mi12:50:211:25:549:1328:21
9:07
-0:19
20K
12.43 mi13:19:371:55:109:1629:16
9:25
+0:18
Half
13.11 mi13:25:572:01:309:166:20
9:17
-0:08
25K
15.53 mi13:49:272:25:009:2023:30
9:42
+0:25
30K
18.64 mi14:24:503:00:239:4135:23
11:23
+1:41
20M
20.00 mi14:39:233:14:569:4514:33
10:42
-0:41
21M
21.00 mi14:51:093:26:429:5111:46
11:46
+1:04
35K
21.75 mi14:58:463:34:199:517:37
10:11
-1:35
23M
23.00 mi15:12:233:47:569:5513:37
10:53
+0:42
24M
24.00 mi15:23:563:59:299:5911:33
11:33
+0:40
40K
24.85 mi15:33:324:09:0510:019:36
11:14
-0:19
25.2M
25.20 mi15:37:334:13:0610:034:01
11:39
+0:25
Finish
26.22 mi15:47:284:23:0110:029:55
9:44
-1:55

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

9:06 /mi

Average Pace

10:02 /mi

Slowest Pace

11:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:01:30

46% of race

Time at Steady Pace

41:02

16% of race

Time at Slower Pace

1:40:29

38% of race

Average Pace: 10:02 /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 mi11:52:4228:159:0628:15
9:06
#22833
10K
6.21 mi12:22:0057:339:1629:18
9:26
#23428
15K
9.32 mi12:50:211:25:549:1328:21
9:07
#23167
20K
12.43 mi13:19:371:55:109:1629:16
9:25
#23042
Half
13.11 mi13:25:572:01:309:166:20
9:17
#23030
25K
15.53 mi13:49:272:25:009:2023:30
9:42
#22908
30K
18.64 mi14:24:503:00:239:4135:23
11:23
#23334
20M
20.00 mi14:39:233:14:569:4514:33
10:42
#23270
21M
21.00 mi14:51:093:26:429:5111:46
11:46
#23272
35K
21.75 mi14:58:463:34:199:517:37
10:11
#23237
23M
23.00 mi15:12:233:47:569:5513:37
10:53
#23231
24M
24.00 mi15:23:563:59:299:5911:33
11:33
#23321
40K
24.85 mi15:33:324:09:0510:019:36
11:14
#23307
25.2M
25.20 mi15:37:334:13:0610:034:01
11:39
#23299
Finish
26.22 mi15:47:284:23:0110:029:55
9:44
#23273
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi228339090909022579(Top 79%)8881(Top 73%)8881(Top 162%)
10K6.21 mi3.10 mi23428-5959378-2889378-28823931(Top 84%)9644(Top 79%)9644(Top 176%)
15K9.32 mi3.11 mi23167+2619225+1539225+15322579(Top 79%)8881(Top 73%)8881(Top 162%)
20K12.43 mi3.11 mi23042+1259154+719154+7122645(Top 80%)8952(Top 73%)8952(Top 164%)
Half13.11 mi0.68 mi23030+129140+149140+1422944(Top 81%)9122(Top 75%)9122(Top 167%)
25K15.53 mi2.42 mi22908+1229091+499091+4922488(Top 79%)8929(Top 73%)8929(Top 163%)
30K18.64 mi3.11 mi23334-4269368-2779368-27724679(Top 87%)10226(Top 84%)10226(Top 187%)
20M20.00 mi1.36 mi23270+649348+209348+2022971(Top 81%)9406(Top 77%)9406(Top 172%)
21M21.00 mi1.00 mi23272-29375-279375-2723162(Top 82%)9581(Top 78%)9581(Top 175%)
35K21.75 mi0.75 mi23237+359364+119364+1122399(Top 79%)9236(Top 76%)9236(Top 169%)
23M23.00 mi1.25 mi23231+69392-289392-2822948(Top 81%)9576(Top 78%)9576(Top 175%)
24M24.00 mi1.00 mi23321-909450-589450-5824978(Top 88%)10619(Top 87%)10619(Top 194%)
40K24.85 mi0.85 mi23307+149463-139463-1323636(Top 83%)10003(Top 82%)10003(Top 183%)
25.2M25.20 mi0.35 mi23299+89465-29465-222475(Top 79%)9398(Top 77%)9398(Top 172%)
Finish26.22 mi1.02 mi23273+269463+29463+222043(Top 78%)9180(Top 75%)9180(Top 168%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21story building
+97ft-345ft

Overall

22579

Females

8881

F18-39

8881

5K→10K

3.1 - 6.2 mi

Top 84%
×5story building
+79ft-138ft

Overall

23931

Females

9644

F18-39

9644

10K→15K

6.2 - 9.3 mi

Top 79%
×3story building
+67ft-78ft

Overall

22579

Females

8881

F18-39

8881

15K→20K

9.3 - 12.4 mi

Top 80%
×5story building
+106ft-86ft

Overall

22645

Females

8952

F18-39

8952

20K→Half

12.4 - 13.1 mi

Top 81%
×2story building
+19ft-37ft

Overall

22944

Females

9122

F18-39

9122

Half→25K

13.1 - 15.5 mi

Top 79%
×4story building
+66ft-88ft

Overall

22488

Females

8929

F18-39

8929

25K→30K

15.5 - 18.6 mi

Top 87%
×9story building
+181ft-148ft

Overall

24679

Females

10226

F18-39

10226

30K→20M

18.6 - 20.0 mi

Top 81%
×5story building
+64ft-50ft

Overall

22971

Females

9406

F18-39

9406

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

23162

Females

9581

F18-39

9581

21M→35K

21.0 - 21.8 mi

Top 79%
×7story building
+17ft-86ft

Overall

22399

Females

9236

F18-39

9236

35K→23M

21.8 - 23.0 mi

Top 81%
×5story building
+23ft-63ft

Overall

22948

Females

9576

F18-39

9576

23M→24M

23.0 - 24.0 mi

Top 88%
×6story building
+12ft-82ft

Overall

24978

Females

10619

F18-39

10619

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

23636

Females

10003

F18-39

10003

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

22475

Females

9398

F18-39

9398

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2story building
+22ft-21ft

Overall

22043

Females

9180

F18-39

9180

Passing Analysis

Category:
Athletes Passed
1354
Passed By
1794
Net Change
-440
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22833
5K → 10K66661-595#22833#23428
10K → 15K33372+261#23428#23167
15K → 20K20984+125#23167#23042
20K → Half3321+12#23042#23030
Half → 25K19371+122#23030#22908
25K → 30K60486-426#22908#23334
30K → 20M10844+64#23334#23270
20M → 21M6365-2#23270#23272
21M → 35K5217+35#23272#23237
35K → 23M7771+6#23237#23231
23M → 24M25115-90#23231#23321
24M → 40K5844+14#23321#23307
40K → 25.2M2012+8#23307#23299
25.2M → Finish5731+26#23299#23273
TOTALS13541794-440
📊

Passing Visuals

Category:
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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