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BOSTON MARATHON 2025

Callie Baker

Bib: 27397•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

Start
0:00:00
Race begins
5K· 3.11 mi
37:48
Rank: #28277
Start → 5K
37:48 | 12:10/mi
10K· 6.21 mi
1:14:30
Rank: #28131 (+146)
5K → 10K
36:42 | 11:49/mi
15K· 9.32 mi
1:50:38
Rank: #27922 (+209)
10K → 15K
36:08 | 11:38/mi
20K· 12.43 mi
2:26:17
Rank: #27644 (+278)
15K → 20K
35:39 | 11:28/mi
Half· 13.11 mi
2:34:00
Rank: #27596 (+48)
20K → Half
7:43 | 11:19/mi
25K· 15.53 mi
3:02:41
Rank: #27375 (+221)
Half → 25K
28:41 | 11:50/mi
30K· 18.64 mi
3:39:26
Rank: #27079 (+296)
25K → 30K
36:45 | 11:50/mi
20M
3:54:21
Rank: #26917 (+162)
30K → 20M
14:55 | 10:59/mi
21M
4:04:33
Rank: #26674 (+243)
20M → 21M
10:12 | 10:12/mi
35K· 21.75 mi
4:12:11
Rank: #26569 (+105)
21M → 35K
7:38 | 10:12/mi
23M
4:26:22
Rank: #26439 (+130)
35K → 23M
14:11 | 11:20/mi
24M
4:37:53
Rank: #26397 (+42)
23M → 24M
11:31 | 11:31/mi
40K· 24.85 mi
4:47:27
Rank: #26316 (+81)
24M → 40K
9:34 | 11:11/mi
25.2M
4:51:38
Rank: #26281 (+35)
40K → 25.2M
4:11 | 12:08/mi
Finish· 26.22 mi
5:00:54
Rank: #26176 (+105)
25.2M → Finish
9:16 | 9:06/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:34:00
Pace11:45 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:26:54
Pace11:12 /mi
📊Negative Split: 4.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:5337:4812:1037:48
12:10
-
10K
6.21 mi12:30:351:14:3011:5936:42
11:49
-0:21
15K
9.32 mi13:06:431:50:3811:5236:08
11:38
-0:11
20K
12.43 mi13:42:222:26:1711:4635:39
11:28
-0:10
Half
13.11 mi13:50:052:34:0011:457:43
11:19
-0:09
25K
15.53 mi14:18:463:02:4111:4628:41
11:50
+0:31
30K
18.64 mi14:55:313:39:2611:4636:45
11:50
0:00
20M
20.00 mi15:10:263:54:2111:4314:55
10:59
-0:51
21M
21.00 mi15:20:384:04:3311:3910:12
10:12
-0:47
35K
21.75 mi15:28:164:12:1111:367:38
10:12
0:00
23M
23.00 mi15:42:274:26:2211:3514:11
11:20
+1:08
24M
24.00 mi15:53:584:37:5311:3511:31
11:31
+0:11
40K
24.85 mi16:03:324:47:2711:349:34
11:11
-0:20
25.2M
25.20 mi16:07:434:51:3811:344:11
12:08
+0:57
Finish
26.22 mi16:16:595:00:5411:299:16
9:06
-3:02

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

11:29 /mi

Slowest Pace

12:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

42:01

14% of race

Time at Steady Pace

3:36:54

72% of race

Time at Slower Pace

41:59

14% of race

Average Pace: 11:29 /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 mi11:53:5337:4812:1037:48
12:10
#28277
10K
6.21 mi12:30:351:14:3011:5936:42
11:49
#28131
15K
9.32 mi13:06:431:50:3811:5236:08
11:38
#27922
20K
12.43 mi13:42:222:26:1711:4635:39
11:28
#27644
Half
13.11 mi13:50:052:34:0011:457:43
11:19
#27596
25K
15.53 mi14:18:463:02:4111:4628:41
11:50
#27375
30K
18.64 mi14:55:313:39:2611:4636:45
11:50
#27079
20M
20.00 mi15:10:263:54:2111:4314:55
10:59
#26917
21M
21.00 mi15:20:384:04:3311:3910:12
10:12
#26674
35K
21.75 mi15:28:164:12:1111:367:38
10:12
#26569
23M
23.00 mi15:42:274:26:2211:3514:11
11:20
#26439
24M
24.00 mi15:53:584:37:5311:3511:31
11:31
#26397
40K
24.85 mi16:03:324:47:2711:349:34
11:11
#26316
25.2M
25.20 mi16:07:434:51:3811:344:11
12:08
#26281
Finish
26.22 mi16:16:595:00:5411:299:16
9:06
#26176
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi28277121451214527345(Top 96%)11585(Top 95%)11585(Top 212%)
10K6.21 mi3.10 mi28131+14612051+9412051+9427838(Top 98%)11865(Top 97%)11865(Top 217%)
15K9.32 mi3.11 mi27922+20911920+13111920+13127345(Top 96%)11585(Top 95%)11585(Top 212%)
20K12.43 mi3.11 mi27644+27811759+16111759+16126597(Top 94%)11157(Top 91%)11157(Top 204%)
Half13.11 mi0.68 mi27596+4811730+2911730+2926866(Top 95%)11334(Top 93%)11334(Top 207%)
25K15.53 mi2.42 mi27375+22111602+12811602+12826241(Top 92%)10995(Top 90%)10995(Top 201%)
30K18.64 mi3.11 mi27079+29611442+16011442+16025356(Top 89%)10591(Top 87%)10591(Top 194%)
20M20.00 mi1.36 mi26917+16211356+8611356+8623528(Top 83%)9702(Top 79%)9702(Top 177%)
21M21.00 mi1.00 mi26674+24311225+13111225+13118994(Top 67%)7336(Top 60%)7336(Top 134%)
35K21.75 mi0.75 mi26569+10511174+5111174+5122418(Top 79%)9255(Top 76%)9255(Top 169%)
23M23.00 mi1.25 mi26439+13011108+6611108+6623929(Top 84%)10072(Top 82%)10072(Top 184%)
24M24.00 mi1.00 mi26397+4211094+1411094+1424919(Top 88%)10594(Top 87%)10594(Top 194%)
40K24.85 mi0.85 mi26316+8111066+2811066+2823516(Top 83%)9958(Top 81%)9958(Top 182%)
25.2M25.20 mi0.35 mi26281+3511046+2011046+2023461(Top 83%)9907(Top 81%)9907(Top 181%)
Finish26.22 mi1.02 mi26176+10510987+5910987+5919457(Top 69%)7856(Top 64%)7856(Top 144%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21stories
+97ft-345ft

Overall

27345

Females

11585

F18-39

11585

5K→10K

3.1 - 6.2 mi

Top 98%
×5stories
+79ft-138ft

Overall

27838

Females

11865

F18-39

11865

10K→15K

6.2 - 9.3 mi

Top 96%
×3stories
+67ft-78ft

Overall

27345

Females

11585

F18-39

11585

15K→20K

9.3 - 12.4 mi

Top 94%
×5stories
+106ft-86ft

Overall

26597

Females

11157

F18-39

11157

20K→Half

12.4 - 13.1 mi

Top 95%
×2stories
+19ft-37ft

Overall

26866

Females

11334

F18-39

11334

Half→25K

13.1 - 15.5 mi

Top 92%
×4stories
+66ft-88ft

Overall

26241

Females

10995

F18-39

10995

25K→30K

15.5 - 18.6 mi

Top 89%
×9stories
+181ft-148ft

Overall

25356

Females

10591

F18-39

10591

30K→20M

18.6 - 20.0 mi

Top 83%
×5stories
+64ft-50ft

Overall

23528

Females

9702

F18-39

9702

20M→21M

20.0 - 21.0 mi

Top 67%
×8stories
+106ft-24ft

Overall

18994

Females

7336

F18-39

7336

21M→35K

21.0 - 21.8 mi

Top 79%
×7stories
+17ft-86ft

Overall

22418

Females

9255

F18-39

9255

35K→23M

21.8 - 23.0 mi

Top 84%
×5stories
+23ft-63ft

Overall

23929

Females

10072

F18-39

10072

23M→24M

23.0 - 24.0 mi

Top 88%
×6stories
+12ft-82ft

Overall

24919

Females

10594

F18-39

10594

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

23516

Females

9958

F18-39

9958

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23461

Females

9907

F18-39

9907

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2stories
+22ft-21ft

Overall

19457

Females

7856

F18-39

7856

Passing Analysis

Category:
Athletes Passed
2119
Passed By
18
Net Change
+2101
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28277
5K → 10K1493+146#28277#28131
10K → 15K2090+209#28131#27922
15K → 20K2791+278#27922#27644
20K → Half480+48#27644#27596
Half → 25K2232+221#27596#27375
25K → 30K2971+296#27375#27079
30K → 20M1631+162#27079#26917
20M → 21M2430+243#26917#26674
21M → 35K1050+105#26674#26569
35K → 23M1322+130#26569#26439
23M → 24M464+42#26439#26397
24M → 40K843+81#26397#26316
40K → 25.2M361+35#26316#26281
25.2M → Finish1050+105#26281#26176
TOTALS211918+2101
📊

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