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BOSTON MARATHON 2025

Alene Caldwell

Bib: 32021•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
10:04/mi
31:16
↑ 97↓ 3451.5%
10K· 6.21 mi
9:16/mi
1:00:03
↑ 79↓ 1380.4%
15K· 9.32 mi
9:04/mi
1:28:13
↑ 67↓ 78
20K· 12.43 mi
9:17/mi
1:57:03
↑ 106↓ 860.1%
Half· 13.11 mi
9:26/mi
2:03:29
↑ 19↓ 370.5%
25K· 15.53 mi
9:30/mi
2:26:32
↑ 66↓ 880.2%
30K· 18.64 mi
10:13/mi
2:58:17
↑ 181↓ 1480.2%
20M
9:58/mi
3:11:50
↑ 64↓ 500.2%
21M
10:19/mi
3:22:09
↑ 106↓ 241.6%
35K· 21.75 mi
9:29/mi
3:29:15
↑ 17↓ 861.7%
23M
10:05/mi
3:41:53
↑ 23↓ 630.6%
24M
10:06/mi
3:51:59
↓ 821.3%
40K· 24.85 mi
10:07/mi
4:00:38
↓ 200.3%
25.2M
10:47/mi
4:04:21
↑ 13↓ 160.2%
Finish· 26.22 mi
9:18/mi
4:13:50
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:03:29
Pace9:25 /mi
2nd Half
Distance13.11 mi
Time2:10:21
Pace9:57 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:4931:1610:0431:16
10:04
-
10K
6.21 mi12:19:361:00:039:4028:47
9:16
-0:48
15K
9.32 mi12:47:461:28:139:2828:10
9:04
-0:12
20K
12.43 mi13:16:361:57:039:2528:50
9:17
+0:13
Half
13.11 mi13:23:022:03:299:256:26
9:26
+0:09
25K
15.53 mi13:46:052:26:329:2623:03
9:30
+0:04
30K
18.64 mi14:17:502:58:179:3431:45
10:13
+0:43
20M
20.00 mi14:31:233:11:509:3513:33
9:58
-0:15
21M
21.00 mi14:41:423:22:099:3810:19
10:19
+0:21
35K
21.75 mi14:48:483:29:159:377:06
9:29
-0:50
23M
23.00 mi15:01:263:41:539:3912:38
10:05
+0:36
24M
24.00 mi15:11:323:51:599:4010:06
10:06
+0:01
40K
24.85 mi15:20:114:00:389:418:39
10:07
+0:01
25.2M
25.20 mi15:23:544:04:219:423:43
10:47
+0:40
Finish
26.22 mi15:33:234:13:509:419:29
9:18
-1:29

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

9:04 /mi

Average Pace

9:41 /mi

Slowest Pace

10:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:25:24

57% of race

Time at Steady Pace

1:44:43

41% of race

Time at Slower Pace

3:43

1% of race

Average Pace: 9:41 /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 mi11:50:4931:1610:0431:16
10:04
#25742
10K
6.21 mi12:19:361:00:039:4028:47
9:16
#24647
15K
9.32 mi12:47:461:28:139:2828:10
9:04
#23944
20K
12.43 mi13:16:361:57:039:2528:50
9:17
#23536
Half
13.11 mi13:23:022:03:299:256:26
9:26
#23518
25K
15.53 mi13:46:052:26:329:2623:03
9:30
#23215
30K
18.64 mi14:17:502:58:179:3431:45
10:13
#22993
20M
20.00 mi14:31:233:11:509:3513:33
9:58
#22836
21M
21.00 mi14:41:423:22:099:3810:19
10:19
#22647
35K
21.75 mi14:48:483:29:159:377:06
9:29
#22551
23M
23.00 mi15:01:263:41:539:3912:38
10:05
#22439
24M
24.00 mi15:11:323:51:599:4010:06
10:06
#22394
40K
24.85 mi15:20:114:00:389:418:39
10:07
#22323
25.2M
25.20 mi15:23:544:04:219:423:43
10:47
#22293
Finish
26.22 mi15:33:234:13:509:419:29
9:18
#22215
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25742106121061222322(Top 79%)8740(Top 71%)8740(Top 160%)
10K6.21 mi3.10 mi24647+109510033+57910033+57923412(Top 82%)9361(Top 77%)9361(Top 171%)
15K9.32 mi3.11 mi23944+7039644+3899644+38922322(Top 79%)8740(Top 71%)8740(Top 160%)
20K12.43 mi3.11 mi23536+4089426+2189426+21822220(Top 78%)8710(Top 71%)8710(Top 159%)
Half13.11 mi0.68 mi23518+189411+159411+1523363(Top 82%)9349(Top 76%)9349(Top 171%)
25K15.53 mi2.42 mi23215+3039248+1639248+16321897(Top 77%)8599(Top 70%)8599(Top 157%)
30K18.64 mi3.11 mi22993+2229183+659183+6522239(Top 78%)8899(Top 73%)8899(Top 163%)
20M20.00 mi1.36 mi22836+1579124+599124+5920857(Top 73%)8281(Top 68%)8281(Top 151%)
21M21.00 mi1.00 mi22647+1899028+969028+9619455(Top 68%)7596(Top 62%)7596(Top 139%)
35K21.75 mi0.75 mi22551+968989+398989+3920336(Top 72%)8160(Top 67%)8160(Top 149%)
23M23.00 mi1.25 mi22439+1128960+298960+2920794(Top 73%)8451(Top 69%)8451(Top 155%)
24M24.00 mi1.00 mi22394+458955+58955+521657(Top 76%)8945(Top 73%)8945(Top 164%)
40K24.85 mi0.85 mi22323+718934+218934+2120859(Top 73%)8594(Top 70%)8594(Top 157%)
25.2M25.20 mi0.35 mi22293+308924+108924+1020021(Top 70%)8182(Top 67%)8182(Top 150%)
Finish26.22 mi1.02 mi22215+788903+218903+2120428(Top 72%)8360(Top 68%)8360(Top 153%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21story building
+97ft-345ft

Overall

22322

Females

8740

F18-39

8740

5K→10K

3.1 - 6.2 mi

Top 82%
×5story building
+79ft-138ft

Overall

23412

Females

9361

F18-39

9361

10K→15K

6.2 - 9.3 mi

Top 79%
×3story building
+67ft-78ft

Overall

22322

Females

8740

F18-39

8740

15K→20K

9.3 - 12.4 mi

Top 78%
×5story building
+106ft-86ft

Overall

22220

Females

8710

F18-39

8710

20K→Half

12.4 - 13.1 mi

Top 82%
×2story building
+19ft-37ft

Overall

23363

Females

9349

F18-39

9349

Half→25K

13.1 - 15.5 mi

Top 77%
×4story building
+66ft-88ft

Overall

21897

Females

8599

F18-39

8599

25K→30K

15.5 - 18.6 mi

Top 78%
×9story building
+181ft-148ft

Overall

22239

Females

8899

F18-39

8899

30K→20M

18.6 - 20.0 mi

Top 73%
×5story building
+64ft-50ft

Overall

20857

Females

8281

F18-39

8281

20M→21M

20.0 - 21.0 mi

Top 68%
×8story building
+106ft-24ft

Overall

19455

Females

7596

F18-39

7596

21M→35K

21.0 - 21.8 mi

Top 72%
×7story building
+17ft-86ft

Overall

20336

Females

8160

F18-39

8160

35K→23M

21.8 - 23.0 mi

Top 73%
×5story building
+23ft-63ft

Overall

20794

Females

8451

F18-39

8451

23M→24M

23.0 - 24.0 mi

Top 76%
×6story building
+12ft-82ft

Overall

21657

Females

8945

F18-39

8945

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

20859

Females

8594

F18-39

8594

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

20021

Females

8182

F18-39

8182

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2story building
+22ft-21ft

Overall

20428

Females

8360

F18-39

8360

Passing Analysis

Category:
Athletes Passed
3742
Passed By
215
Net Change
+3527
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25742
5K → 10K11005+1095#25742#24647
10K → 15K7085+703#24647#23944
15K → 20K41911+408#23944#23536
20K → Half3315+18#23536#23518
Half → 25K32017+303#23518#23215
25K → 30K28664+222#23215#22993
30K → 20M17114+157#22993#22836
20M → 21M1923+189#22836#22647
21M → 35K1026+96#22647#22551
35K → 23M13220+112#22551#22439
23M → 24M7934+45#22439#22394
24M → 40K8110+71#22394#22323
40K → 25.2M355+30#22323#22293
25.2M → Finish846+78#22293#22215
TOTALS3742215+3527
📊

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