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BOSTON MARATHON 2025

Olivia Howard

Bib: 27391•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
10:34/mi
32:49
↑ 97↓ 3451.5%
10K· 6.21 mi
10:18/mi
1:04:49
↑ 79↓ 1380.4%
15K· 9.32 mi
10:21/mi
1:36:59
↑ 67↓ 78
20K· 12.43 mi
10:26/mi
2:09:23
↑ 106↓ 860.1%
Half· 13.11 mi
10:24/mi
2:16:29
↑ 19↓ 370.5%
25K· 15.53 mi
10:48/mi
2:42:39
↑ 66↓ 880.2%
30K· 18.64 mi
11:26/mi
3:18:10
↑ 181↓ 1480.2%
20M
12:50/mi
3:35:36
↑ 64↓ 500.2%
21M
11:21/mi
3:46:57
↑ 106↓ 241.6%
35K· 21.75 mi
11:14/mi
3:55:21
↑ 17↓ 861.7%
23M
11:40/mi
4:09:58
↑ 23↓ 630.6%
24M
11:39/mi
4:21:37
↓ 821.3%
40K· 24.85 mi
11:41/mi
4:31:36
↓ 200.3%
25.2M
12:25/mi
4:35:53
↑ 13↓ 160.2%
Finish· 26.22 mi
10:40/mi
4:46:45
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:16:29
Pace10:25 /mi
2nd Half
Distance13.11 mi
Time2:30:16
Pace11:28 /mi
📊Positive Split: 10.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:0332:4910:3432:49
10:34
-
10K
6.21 mi12:21:031:04:4910:2632:00
10:18
-0:16
15K
9.32 mi12:53:131:36:5910:2432:10
10:21
+0:03
20K
12.43 mi13:25:372:09:2310:2532:24
10:26
+0:05
Half
13.11 mi13:32:432:16:2910:257:06
10:24
-0:02
25K
15.53 mi13:58:532:42:3910:2826:10
10:48
+0:24
30K
18.64 mi14:34:243:18:1010:3835:31
11:26
+0:38
20M
20.00 mi14:51:503:35:3610:4717:26
12:50
+1:24
21M
21.00 mi15:03:113:46:5710:4811:21
11:21
-1:29
35K
21.75 mi15:11:353:55:2110:498:24
11:14
-0:07
23M
23.00 mi15:26:124:09:5810:5214:37
11:40
+0:26
24M
24.00 mi15:37:514:21:3710:5411:39
11:39
-0:01
40K
24.85 mi15:47:504:31:3610:569:59
11:41
+0:02
25.2M
25.20 mi15:52:074:35:5310:574:17
12:25
+0:44
Finish
26.22 mi16:02:594:46:4510:5710:52
10:40
-1:45

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

10:18 /mi

Average Pace

10:57 /mi

Slowest Pace

12:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:31

61% of race

Time at Steady Pace

55:16

19% of race

Time at Slower Pace

57:58

20% of race

Average Pace: 10:56 /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 mi11:49:0332:4910:3432:49
10:34
#26887
10K
6.21 mi12:21:031:04:4910:2632:00
10:18
#26361
15K
9.32 mi12:53:131:36:5910:2432:10
10:21
#26086
20K
12.43 mi13:25:372:09:2310:2532:24
10:26
#25817
Half
13.11 mi13:32:432:16:2910:257:06
10:24
#25818
25K
15.53 mi13:58:532:42:3910:2826:10
10:48
#25650
30K
18.64 mi14:34:243:18:1010:3835:31
11:26
#25473
20M
20.00 mi14:51:503:35:3610:4717:26
12:50
#25545
21M
21.00 mi15:03:113:46:5710:4811:21
11:21
#25418
35K
21.75 mi15:11:353:55:2110:498:24
11:14
#25384
23M
23.00 mi15:26:124:09:5810:5214:37
11:40
#25343
24M
24.00 mi15:37:514:21:3710:5411:39
11:39
#25325
40K
24.85 mi15:47:504:31:3610:569:59
11:41
#25304
25.2M
25.20 mi15:52:074:35:5310:574:17
12:25
#25285
Finish
26.22 mi16:02:594:46:4510:5710:52
10:40
#25281
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26887112571125725684(Top 90%)10608(Top 87%)10608(Top 194%)
10K6.21 mi3.10 mi26361+52610972+28510972+28525907(Top 91%)10735(Top 88%)10735(Top 196%)
15K9.32 mi3.11 mi26086+27510828+14410828+14425684(Top 90%)10608(Top 87%)10608(Top 194%)
20K12.43 mi3.11 mi25817+26910686+14210686+14225070(Top 88%)10303(Top 84%)10303(Top 188%)
Half13.11 mi0.68 mi25818-110682+410682+425613(Top 90%)10607(Top 87%)10607(Top 194%)
25K15.53 mi2.42 mi25650+16810599+8310599+8324886(Top 88%)10224(Top 84%)10224(Top 187%)
30K18.64 mi3.11 mi25473+17710548+5110548+5124751(Top 87%)10270(Top 84%)10270(Top 188%)
20M20.00 mi1.36 mi25545-7210596-4810596-4826275(Top 93%)11152(Top 91%)11152(Top 204%)
21M21.00 mi1.00 mi25418+12710545+5110545+5122255(Top 78%)9116(Top 75%)9116(Top 167%)
35K21.75 mi0.75 mi25384+3410537+810537+824640(Top 87%)10400(Top 85%)10400(Top 190%)
23M23.00 mi1.25 mi25343+4110523+1410523+1424540(Top 86%)10367(Top 85%)10367(Top 190%)
24M24.00 mi1.00 mi25325+1810517+610517+625142(Top 89%)10704(Top 88%)10704(Top 196%)
40K24.85 mi0.85 mi25304+2110516+110516+124421(Top 86%)10383(Top 85%)10383(Top 190%)
25.2M25.20 mi0.35 mi25285+1910507+910507+923996(Top 84%)10172(Top 83%)10172(Top 186%)
Finish26.22 mi1.02 mi25281+410509-210509-224626(Top 87%)10468(Top 86%)10468(Top 191%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21story building
+97ft-345ft

Overall

25684

Females

10608

F18-39

10608

5K→10K

3.1 - 6.2 mi

Top 91%
×5story building
+79ft-138ft

Overall

25907

Females

10735

F18-39

10735

10K→15K

6.2 - 9.3 mi

Top 90%
×3story building
+67ft-78ft

Overall

25684

Females

10608

F18-39

10608

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

25070

Females

10303

F18-39

10303

20K→Half

12.4 - 13.1 mi

Top 90%
×2story building
+19ft-37ft

Overall

25613

Females

10607

F18-39

10607

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

24886

Females

10224

F18-39

10224

25K→30K

15.5 - 18.6 mi

Top 87%
×9story building
+181ft-148ft

Overall

24751

Females

10270

F18-39

10270

30K→20M

18.6 - 20.0 mi

Top 93%
×5story building
+64ft-50ft

Overall

26275

Females

11152

F18-39

11152

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

22255

Females

9116

F18-39

9116

21M→35K

21.0 - 21.8 mi

Top 87%
×7story building
+17ft-86ft

Overall

24640

Females

10400

F18-39

10400

35K→23M

21.8 - 23.0 mi

Top 86%
×5story building
+23ft-63ft

Overall

24540

Females

10367

F18-39

10367

23M→24M

23.0 - 24.0 mi

Top 89%
×6story building
+12ft-82ft

Overall

25142

Females

10704

F18-39

10704

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

24421

Females

10383

F18-39

10383

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

23996

Females

10172

F18-39

10172

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

24626

Females

10468

F18-39

10468

Passing Analysis

Category:
Athletes Passed
1974
Passed By
368
Net Change
+1606
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26887
5K → 10K54721+526#26887#26361
10K → 15K29318+275#26361#26086
15K → 20K28920+269#26086#25817
20K → Half2223-1#25817#25818
Half → 25K19123+168#25818#25650
25K → 30K22144+177#25650#25473
30K → 20M32104-72#25473#25545
20M → 21M1292+127#25545#25418
21M → 35K4612+34#25418#25384
35K → 23M6524+41#25384#25343
23M → 24M4931+18#25343#25325
24M → 40K3817+21#25325#25304
40K → 25.2M245+19#25304#25285
25.2M → Finish2824+4#25285#25281
TOTALS1974368+1606
📊

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