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BOSTON MARATHON 2025

Mia Cronin

Bib: 26389•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
10:26/mi
32:25
↑ 97↓ 3451.5%
10K· 6.21 mi
10:15/mi
1:04:16
↑ 79↓ 1380.4%
15K· 9.32 mi
10:08/mi
1:35:46
↑ 67↓ 78
20K· 12.43 mi
10:08/mi
2:07:15
↑ 106↓ 860.1%
Half· 13.11 mi
9:46/mi
2:13:55
↑ 19↓ 370.5%
25K· 15.53 mi
10:03/mi
2:38:18
↑ 66↓ 880.2%
30K· 18.64 mi
10:05/mi
3:09:38
↑ 181↓ 1480.2%
20M
10:03/mi
3:23:17
↑ 64↓ 500.2%
21M
10:17/mi
3:33:34
↑ 106↓ 241.6%
35K· 21.75 mi
9:53/mi
3:40:58
↑ 17↓ 861.7%
23M
10:10/mi
3:53:42
↑ 23↓ 630.6%
24M
10:08/mi
4:03:50
↓ 821.3%
40K· 24.85 mi
10:14/mi
4:12:35
↓ 200.3%
25.2M
10:32/mi
4:16:13
↑ 13↓ 160.2%
Finish· 26.22 mi
9:23/mi
4:25:47
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:13:55
Pace10:13 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:11:52
Pace10:04 /mi
📊Negative Split: 1.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:2432:2510:2632:25
10:26
-
10K
6.21 mi12:23:151:04:1610:2131:51
10:15
-0:11
15K
9.32 mi12:54:451:35:4610:1631:30
10:08
-0:07
20K
12.43 mi13:26:142:07:1510:1431:29
10:08
0:00
Half
13.11 mi13:32:542:13:5510:136:40
9:46
-0:22
25K
15.53 mi13:57:172:38:1810:1124:23
10:03
+0:17
30K
18.64 mi14:28:373:09:3810:1031:20
10:05
+0:02
20M
20.00 mi14:42:163:23:1710:1013:39
10:03
-0:02
21M
21.00 mi14:52:333:33:3410:1010:17
10:17
+0:14
35K
21.75 mi14:59:573:40:5810:107:24
9:53
-0:24
23M
23.00 mi15:12:413:53:4210:1012:44
10:10
+0:17
24M
24.00 mi15:22:494:03:5010:1010:08
10:08
-0:02
40K
24.85 mi15:31:344:12:3510:108:45
10:14
+0:06
25.2M
25.20 mi15:35:124:16:1310:103:38
10:32
+0:18
Finish
26.22 mi15:44:464:25:4710:099:34
9:23
-1:09

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

9:23 /mi

Average Pace

10:09 /mi

Slowest Pace

10:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:49:44

86% of race

Time at Steady Pace

36:03

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:08 /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 mi11:51:2432:2510:2632:25
10:26
#26624
10K
6.21 mi12:23:151:04:1610:2131:51
10:15
#26182
15K
9.32 mi12:54:451:35:4610:1631:30
10:08
#25867
20K
12.43 mi13:26:142:07:1510:1431:29
10:08
#25503
Half
13.11 mi13:32:542:13:5510:136:40
9:46
#25441
25K
15.53 mi13:57:172:38:1810:1124:23
10:03
#25102
30K
18.64 mi14:28:373:09:3810:1031:20
10:05
#24611
20M
20.00 mi14:42:163:23:1710:1013:39
10:03
#24403
21M
21.00 mi14:52:333:33:3410:1010:17
10:17
#24162
35K
21.75 mi14:59:573:40:5810:107:24
9:53
#24081
23M
23.00 mi15:12:413:53:4210:1012:44
10:10
#23897
24M
24.00 mi15:22:494:03:5010:1010:08
10:08
#23812
40K
24.85 mi15:31:344:12:3510:108:45
10:14
#23724
25.2M
25.20 mi15:35:124:16:1310:103:38
10:32
#23688
Finish
26.22 mi15:44:464:25:4710:099:34
9:23
#23576
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26624111111111125289(Top 89%)10398(Top 85%)10398(Top 190%)
10K6.21 mi3.10 mi26182+44210872+23910872+23925833(Top 91%)10701(Top 88%)10701(Top 196%)
15K9.32 mi3.11 mi25867+31510705+16710705+16725289(Top 89%)10398(Top 85%)10398(Top 190%)
20K12.43 mi3.11 mi25503+36410513+19210513+19224495(Top 86%)9979(Top 82%)9979(Top 182%)
Half13.11 mi0.68 mi25441+6210480+3310480+3324327(Top 86%)9889(Top 81%)9889(Top 181%)
25K15.53 mi2.42 mi25102+33910311+16910311+16923410(Top 82%)9433(Top 77%)9433(Top 172%)
30K18.64 mi3.11 mi24611+49110067+24410067+24421854(Top 77%)8702(Top 71%)8702(Top 159%)
20M20.00 mi1.36 mi24403+2089962+1059962+10521126(Top 74%)8432(Top 69%)8432(Top 154%)
21M21.00 mi1.00 mi24162+2419849+1139849+11319346(Top 68%)7533(Top 62%)7533(Top 138%)
35K21.75 mi0.75 mi24081+819816+339816+3321622(Top 76%)8845(Top 72%)8845(Top 162%)
23M23.00 mi1.25 mi23897+1849750+669750+6621046(Top 74%)8582(Top 70%)8582(Top 157%)
24M24.00 mi1.00 mi23812+859712+389712+3821772(Top 77%)9021(Top 74%)9021(Top 165%)
40K24.85 mi0.85 mi23724+889680+329680+3221208(Top 75%)8778(Top 72%)8778(Top 161%)
25.2M25.20 mi0.35 mi23688+369667+139667+1319230(Top 68%)7785(Top 64%)7785(Top 142%)
Finish26.22 mi1.02 mi23576+1129628+399628+3920785(Top 73%)8554(Top 70%)8554(Top 156%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

25289

Females

10398

F18-39

10398

5K→10K

3.1 - 6.2 mi

Top 91%
×5story building
+79ft-138ft

Overall

25833

Females

10701

F18-39

10701

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

25289

Females

10398

F18-39

10398

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

24495

Females

9979

F18-39

9979

20K→Half

12.4 - 13.1 mi

Top 86%
×2story building
+19ft-37ft

Overall

24327

Females

9889

F18-39

9889

Half→25K

13.1 - 15.5 mi

Top 82%
×4story building
+66ft-88ft

Overall

23410

Females

9433

F18-39

9433

25K→30K

15.5 - 18.6 mi

Top 77%
×9story building
+181ft-148ft

Overall

21854

Females

8702

F18-39

8702

30K→20M

18.6 - 20.0 mi

Top 74%
×5story building
+64ft-50ft

Overall

21126

Females

8432

F18-39

8432

20M→21M

20.0 - 21.0 mi

Top 68%
×8story building
+106ft-24ft

Overall

19346

Females

7533

F18-39

7533

21M→35K

21.0 - 21.8 mi

Top 76%
×7story building
+17ft-86ft

Overall

21622

Females

8845

F18-39

8845

35K→23M

21.8 - 23.0 mi

Top 74%
×5story building
+23ft-63ft

Overall

21046

Females

8582

F18-39

8582

23M→24M

23.0 - 24.0 mi

Top 77%
×6story building
+12ft-82ft

Overall

21772

Females

9021

F18-39

9021

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

21208

Females

8778

F18-39

8778

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

19230

Females

7785

F18-39

7785

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

20785

Females

8554

F18-39

8554

Passing Analysis

Category:
Athletes Passed
3133
Passed By
85
Net Change
+3048
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26624
5K → 10K47533+442#26624#26182
10K → 15K33318+315#26182#25867
15K → 20K3695+364#25867#25503
20K → Half620+62#25503#25441
Half → 25K3412+339#25441#25102
25K → 30K4932+491#25102#24611
30K → 20M2102+208#24611#24403
20M → 21M2421+241#24403#24162
21M → 35K821+81#24162#24081
35K → 23M1862+184#24081#23897
23M → 24M927+85#23897#23812
24M → 40K935+88#23812#23724
40K → 25.2M371+36#23724#23688
25.2M → Finish1186+112#23688#23576
TOTALS313385+3048
📊

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