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BOSTON MARATHON 2025

Julie Colantuoni

Bib: 29209•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F40-44)
#0 / 1718
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:58
Rank: #26269
Start → 5K
10:17/mi
31:58 split
10K· 6.21 mi
1:03:15
Rank: #25873 (+396)
5K → 10K
10:04/mi
31:17 split
15K· 9.32 mi
1:34:42
Rank: #25635 (+238)
10K → 15K
10:07/mi
31:27 split
20K· 12.43 mi
2:06:15
Rank: #25352 (+283)
15K → 20K
10:09/mi
31:33 split
Half· 13.11 mi
2:13:03
Rank: #25313 (+39)
20K → Half
9:58/mi
6:48 split
25K· 15.53 mi
2:38:33
Rank: #25130 (+183)
Half → 25K
10:31/mi
25:30 split
30K· 18.64 mi
3:11:20
Rank: #24801 (+329)
25K → 30K
10:33/mi
32:47 split
20M
3:25:39
Rank: #24648 (+153)
30K → 20M
10:32/mi
14:19 split
21M
3:37:09
Rank: #24548 (+100)
20M → 21M
11:30/mi
11:30 split
35K· 21.75 mi
3:45:38
Rank: #24578 (-30)
21M → 35K
11:20/mi
8:29 split
23M
4:00:16
Rank: #24585 (-7)
35K → 23M
11:41/mi
14:38 split
24M
4:12:16
Rank: #24637 (-52)
23M → 24M
12:00/mi
12:00 split
40K· 24.85 mi
4:23:13
Rank: #24722 (-85)
24M → 40K
12:48/mi
10:57 split
25.2M
4:27:31
Rank: #24714 (+8)
40K → 25.2M
12:28/mi
4:18 split
Finish· 26.22 mi
4:38:11
Rank: #24711 (+3)
25.2M → Finish
10:28/mi
10:40 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:13:03
Pace10:09 /mi
2nd Half
Distance13.11 mi
Time2:25:08
Pace11:04 /mi
📊Positive Split: 9.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:0531:5810:1731:58
10:17
-
10K
6.21 mi12:21:221:03:1510:1131:17
10:04
-0:13
15K
9.32 mi12:52:491:34:4210:1031:27
10:07
+0:03
20K
12.43 mi13:24:222:06:1510:1031:33
10:09
+0:02
Half
13.11 mi13:31:102:13:0310:096:48
9:58
-0:11
25K
15.53 mi13:56:402:38:3310:1225:30
10:31
+0:33
30K
18.64 mi14:29:273:11:2010:1632:47
10:33
+0:02
20M
20.00 mi14:43:463:25:3910:1714:19
10:32
-0:01
21M
21.00 mi14:55:163:37:0910:2011:30
11:30
+0:58
35K
21.75 mi15:03:453:45:3810:228:29
11:20
-0:10
23M
23.00 mi15:18:234:00:1610:2714:38
11:41
+0:21
24M
24.00 mi15:30:234:12:1610:3112:00
12:00
+0:19
40K
24.85 mi15:41:204:23:1310:3510:57
12:48
+0:48
25.2M
25.20 mi15:45:384:27:3110:374:18
12:28
-0:20
Finish
26.22 mi15:56:184:38:1110:3710:40
10:28
-2:00

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

9:58 /mi

Average Pace

10:37 /mi

Slowest Pace

12:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

38:05

14% of race

Time at Steady Pace

2:58:14

64% of race

Time at Slower Pace

1:01:52

22% of race

Average Pace: 10:37 /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 mi11:50:0531:5810:1731:58
10:17
#26269
10K
6.21 mi12:21:221:03:1510:1131:17
10:04
#25873
15K
9.32 mi12:52:491:34:4210:1031:27
10:07
#25635
20K
12.43 mi13:24:222:06:1510:1031:33
10:09
#25352
Half
13.11 mi13:31:102:13:0310:096:48
9:58
#25313
25K
15.53 mi13:56:402:38:3310:1225:30
10:31
#25130
30K
18.64 mi14:29:273:11:2010:1632:47
10:33
#24801
20M
20.00 mi14:43:463:25:3910:1714:19
10:32
#24648
21M
21.00 mi14:55:163:37:0910:2011:30
11:30
#24548
35K
21.75 mi15:03:453:45:3810:228:29
11:20
#24578
23M
23.00 mi15:18:234:00:1610:2714:38
11:41
#24585
24M
24.00 mi15:30:234:12:1610:3112:00
12:00
#24637
40K
24.85 mi15:41:204:23:1310:3510:57
12:48
#24722
25.2M
25.20 mi15:45:384:27:3110:374:18
12:28
#24714
Finish
26.22 mi15:56:184:38:1110:3710:40
10:28
#24711
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi26269109041090425249(Top 89%)10369(Top 85%)10369(Top 604%)
10K6.21 mi3.10 mi25873+39610698+20610698+20625454(Top 90%)10494(Top 86%)10494(Top 611%)
15K9.32 mi3.11 mi25635+23810580+11810580+11825249(Top 89%)10369(Top 85%)10369(Top 604%)
20K12.43 mi3.11 mi25352+28310435+14510435+14524536(Top 86%)10007(Top 82%)10007(Top 582%)
Half13.11 mi0.68 mi25313+3910414+2110414+2124733(Top 87%)10130(Top 83%)10130(Top 590%)
25K15.53 mi2.42 mi25130+18310324+9010324+9024404(Top 86%)9963(Top 81%)9963(Top 580%)
30K18.64 mi3.11 mi24801+32910172+15210172+15223037(Top 81%)9345(Top 76%)9345(Top 544%)
20M20.00 mi1.36 mi24648+15310097+7510097+7522515(Top 79%)9167(Top 75%)9167(Top 534%)
21M21.00 mi1.00 mi24548+10010060+3710060+3722599(Top 80%)9300(Top 76%)9300(Top 541%)
35K21.75 mi0.75 mi24578-3010084-2410084-2424807(Top 87%)10477(Top 86%)10477(Top 610%)
23M23.00 mi1.25 mi24585-710109-2510109-2524565(Top 86%)10374(Top 85%)10374(Top 604%)
24M24.00 mi1.00 mi24637-5210151-4210151-4225666(Top 90%)10969(Top 90%)10969(Top 638%)
40K24.85 mi0.85 mi24722-8510208-5710208-5726067(Top 92%)11173(Top 91%)11173(Top 650%)
25.2M25.20 mi0.35 mi24714+810210-210210-224083(Top 85%)10211(Top 84%)10211(Top 594%)
Finish26.22 mi1.02 mi24711+310214-410214-424184(Top 85%)10261(Top 84%)10261(Top 597%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

25249

Females

10369

F40-44

10369

5K→10K

3.1 - 6.2 mi

Top 90%
×5story building
+79ft-138ft

Overall

25454

Females

10494

F40-44

10494

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

25249

Females

10369

F40-44

10369

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

24536

Females

10007

F40-44

10007

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

24733

Females

10130

F40-44

10130

Half→25K

13.1 - 15.5 mi

Top 86%
×4story building
+66ft-88ft

Overall

24404

Females

9963

F40-44

9963

25K→30K

15.5 - 18.6 mi

Top 81%
×9story building
+181ft-148ft

Overall

23037

Females

9345

F40-44

9345

30K→20M

18.6 - 20.0 mi

Top 79%
×5story building
+64ft-50ft

Overall

22515

Females

9167

F40-44

9167

20M→21M

20.0 - 21.0 mi

Top 80%
×8story building
+106ft-24ft

Overall

22599

Females

9300

F40-44

9300

21M→35K

21.0 - 21.8 mi

Top 87%
×7story building
+17ft-86ft

Overall

24807

Females

10477

F40-44

10477

35K→23M

21.8 - 23.0 mi

Top 86%
×5story building
+23ft-63ft

Overall

24565

Females

10374

F40-44

10374

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

25666

Females

10969

F40-44

10969

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

26067

Females

11173

F40-44

11173

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

24083

Females

10211

F40-44

10211

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2story building
+22ft-21ft

Overall

24184

Females

10261

F40-44

10261

Passing Analysis

Category:
Athletes Passed
2039
Passed By
481
Net Change
+1558
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26269
5K → 10K43438+396#26269#25873
10K → 15K27537+238#25873#25635
15K → 20K29916+283#25635#25352
20K → Half467+39#25352#25313
Half → 25K20825+183#25313#25130
25K → 30K34011+329#25130#24801
30K → 20M1585+153#24801#24648
20M → 21M11111+100#24648#24548
21M → 35K2252-30#24548#24578
35K → 23M5764-7#24578#24585
23M → 24M2577-52#24585#24637
24M → 40K1297-85#24637#24722
40K → 25.2M2113+8#24722#24714
25.2M → Finish3128+3#24714#24711
TOTALS2039481+1558
📊

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