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BOSTON MARATHON 2025

Cara Mulcahey

Bib: 28949•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
10:46/mi
33:26
↑ 97↓ 3451.5%
10K· 6.21 mi
11:15/mi
1:08:22
↑ 79↓ 1380.4%
15K· 9.32 mi
11:32/mi
1:44:11
↑ 67↓ 78
20K· 12.43 mi
12:21/mi
2:22:33
↑ 106↓ 860.1%
Half· 13.11 mi
12:01/mi
2:30:45
↑ 19↓ 370.5%
25K· 15.53 mi
12:36/mi
3:01:19
↑ 66↓ 880.2%
30K· 18.64 mi
12:59/mi
3:41:39
↑ 181↓ 1480.2%
20M
12:29/mi
3:58:37
↑ 64↓ 500.2%
21M
15:05/mi
4:13:42
↑ 106↓ 241.6%
35K· 21.75 mi
12:33/mi
4:23:05
↑ 17↓ 861.7%
23M
13:13/mi
4:39:38
↑ 23↓ 630.6%
24M
12:59/mi
4:52:37
↓ 821.3%
40K· 24.85 mi
12:59/mi
5:03:43
↓ 200.3%
25.2M
13:38/mi
5:08:25
↑ 13↓ 160.2%
Finish· 26.22 mi
10:41/mi
5:19:18
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:30:45
Pace11:30 /mi
2nd Half
Distance13.11 mi
Time2:48:33
Pace12:51 /mi
📊Positive Split: 11.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:3033:2610:4633:26
10:46
-
10K
6.21 mi12:27:261:08:2211:0034:56
11:15
+0:29
15K
9.32 mi13:03:151:44:1111:1135:49
11:32
+0:17
20K
12.43 mi13:41:372:22:3311:2838:22
12:21
+0:49
Half
13.11 mi13:49:492:30:4511:308:12
12:01
-0:20
25K
15.53 mi14:20:233:01:1911:4030:34
12:36
+0:35
30K
18.64 mi15:00:433:41:3911:5340:20
12:59
+0:23
20M
20.00 mi15:17:413:58:3711:5616:58
12:29
-0:30
21M
21.00 mi15:32:464:13:4212:0515:05
15:05
+2:36
35K
21.75 mi15:42:094:23:0512:069:23
12:33
-2:32
23M
23.00 mi15:58:424:39:3812:0916:33
13:13
+0:40
24M
24.00 mi16:11:414:52:3712:1212:59
12:59
-0:14
40K
24.85 mi16:22:475:03:4312:1311:06
12:59
0:00
25.2M
25.20 mi16:27:295:08:2512:144:42
13:38
+0:39
Finish
26.22 mi16:38:225:19:1812:1110:53
10:41
-2:57

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

10:41 /mi

Average Pace

12:11 /mi

Slowest Pace

15:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:04

36% of race

Time at Steady Pace

2:47:54

53% of race

Time at Slower Pace

36:20

11% of race

Average Pace: 12:11 /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 mi11:52:3033:2610:4633:26
10:46
#27224
10K
6.21 mi12:27:261:08:2211:0034:56
11:15
#27312
15K
9.32 mi13:03:151:44:1111:1135:49
11:32
#27289
20K
12.43 mi13:41:372:22:3311:2838:22
12:21
#27353
Half
13.11 mi13:49:492:30:4511:308:12
12:01
#27365
25K
15.53 mi14:20:233:01:1911:4030:34
12:36
#27288
30K
18.64 mi15:00:433:41:3911:5340:20
12:59
#27184
20M
20.00 mi15:17:413:58:3711:5616:58
12:29
#27116
21M
21.00 mi15:32:464:13:4212:0515:05
15:05
#27133
35K
21.75 mi15:42:094:23:0512:069:23
12:33
#27125
23M
23.00 mi15:58:424:39:3812:0916:33
13:13
#27113
24M
24.00 mi16:11:414:52:3712:1212:59
12:59
#27123
40K
24.85 mi16:22:475:03:4312:1311:06
12:59
#27100
25.2M
25.20 mi16:27:295:08:2512:144:42
13:38
#27087
Finish
26.22 mi16:38:225:19:1812:1110:53
10:41
#27021
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27224114611146127253(Top 96%)11521(Top 94%)11521(Top 211%)
10K6.21 mi3.10 mi27312-8811536-7511536-7527327(Top 96%)11564(Top 95%)11564(Top 211%)
15K9.32 mi3.11 mi27289+2311520+1611520+1627253(Top 96%)11521(Top 94%)11521(Top 211%)
20K12.43 mi3.11 mi27353-6411569-4911569-4927397(Top 96%)11641(Top 95%)11641(Top 213%)
Half13.11 mi0.68 mi27365-1211584-1511584-1527460(Top 97%)11692(Top 96%)11692(Top 214%)
25K15.53 mi2.42 mi27288+7711552+3211552+3227004(Top 95%)11430(Top 93%)11430(Top 209%)
30K18.64 mi3.11 mi27184+10411511+4111511+4126658(Top 94%)11309(Top 92%)11309(Top 207%)
20M20.00 mi1.36 mi27116+6811476+3511476+3525889(Top 91%)10955(Top 90%)10955(Top 200%)
21M21.00 mi1.00 mi27133-1711489-1311489-1327217(Top 96%)11682(Top 96%)11682(Top 214%)
35K21.75 mi0.75 mi27125+811491-211491-226494(Top 93%)11334(Top 93%)11334(Top 207%)
23M23.00 mi1.25 mi27113+1211495-411495-426627(Top 94%)11414(Top 93%)11414(Top 209%)
24M24.00 mi1.00 mi27123-1011508-1311508-1326832(Top 94%)11546(Top 94%)11546(Top 211%)
40K24.85 mi0.85 mi27100+2311500+811500+826287(Top 93%)11285(Top 92%)11285(Top 206%)
25.2M25.20 mi0.35 mi27087+1311497+311497+325814(Top 91%)11097(Top 91%)11097(Top 203%)
Finish26.22 mi1.02 mi27021+6611462+3511462+3524674(Top 87%)10500(Top 86%)10500(Top 192%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21story building
+97ft-345ft

Overall

27253

Females

11521

F18-39

11521

5K→10K

3.1 - 6.2 mi

Top 96%
×5story building
+79ft-138ft

Overall

27327

Females

11564

F18-39

11564

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+67ft-78ft

Overall

27253

Females

11521

F18-39

11521

15K→20K

9.3 - 12.4 mi

Top 96%
×5story building
+106ft-86ft

Overall

27397

Females

11641

F18-39

11641

20K→Half

12.4 - 13.1 mi

Top 97%
×2story building
+19ft-37ft

Overall

27460

Females

11692

F18-39

11692

Half→25K

13.1 - 15.5 mi

Top 95%
×4story building
+66ft-88ft

Overall

27004

Females

11430

F18-39

11430

25K→30K

15.5 - 18.6 mi

Top 94%
×9story building
+181ft-148ft

Overall

26658

Females

11309

F18-39

11309

30K→20M

18.6 - 20.0 mi

Top 91%
×5story building
+64ft-50ft

Overall

25889

Females

10955

F18-39

10955

20M→21M

20.0 - 21.0 mi

Top 96%
×8story building
+106ft-24ft

Overall

27217

Females

11682

F18-39

11682

21M→35K

21.0 - 21.8 mi

Top 93%
×7story building
+17ft-86ft

Overall

26494

Females

11334

F18-39

11334

35K→23M

21.8 - 23.0 mi

Top 94%
×5story building
+23ft-63ft

Overall

26627

Females

11414

F18-39

11414

23M→24M

23.0 - 24.0 mi

Top 94%
×6story building
+12ft-82ft

Overall

26832

Females

11546

F18-39

11546

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

26287

Females

11285

F18-39

11285

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

25814

Females

11097

F18-39

11097

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

24674

Females

10500

F18-39

10500

Passing Analysis

Category:
Athletes Passed
829
Passed By
626
Net Change
+203
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27224
5K → 10K106194-88#27224#27312
10K → 15K11895+23#27312#27289
15K → 20K72136-64#27289#27353
20K → Half1426-12#27353#27365
Half → 25K11538+77#27365#27288
25K → 30K14137+104#27288#27184
30K → 20M746+68#27184#27116
20M → 21M1532-17#27116#27133
21M → 35K2012+8#27133#27125
35K → 23M3119+12#27125#27113
23M → 24M1121-10#27113#27123
24M → 40K318+23#27123#27100
40K → 25.2M152+13#27100#27087
25.2M → Finish660+66#27087#27021
TOTALS829626+203
📊

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