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BOSTON MARATHON 2025

Rachel Holzberg

FL

Bib: 12318 F

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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:52/mi
27:32
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:53/mi
55:08
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:54/mi
1:22:47
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:14/mi
1:51:27
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:10/mi
1:57:42
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
9:18/mi
2:20:14
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
10:10/mi
2:51:48
↑ 181↓ 1480.2%
138 ft elev
20M
10:29/mi
3:06:03
↑ 64↓ 500.2%
148 ft elev
21M
11:20/mi
3:17:23
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
10:11/mi
3:25:00
↑ 17↓ 861.7%
156 ft elev
23M
11:08/mi
3:38:57
↑ 23↓ 630.6%
116 ft elev
24M
10:11/mi
3:49:08
↓ 821.3%
34 ft elev
40K· 24.85 mi
10:36/mi
3:58:12
↓ 200.3%
20 ft elev
25.2M
10:55/mi
4:01:58
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:39/mi
4:11:48
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:57:428:59 /mi⚡ faster
2nd Half
2:14:0610:14 /mi+13.9%
Positive split — 13.9% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
27:328:523.11 mi27:32
8:52
-
10K
55:088:523.10 mi27:36
8:53
+0:01
15K
1:22:478:533.11 mi27:39
8:54
+0:01
20K
1:51:278:583.11 mi28:40
9:14
+0:20
Half(13.11 mi)
1:57:428:590.68 mi6:15
9:10
-0:04
25K
2:20:149:022.42 mi22:32
9:18
+0:08
30K
2:51:489:133.11 mi31:34
10:10
+0:52
20M
3:06:039:181.36 mi14:15
10:29
+0:19
21M
3:17:239:241.00 mi11:20
11:20
+0:51
35K
3:25:009:260.75 mi7:37
10:11
-1:09
23M
3:38:579:311.25 mi13:57
11:08
+0:57
24M
3:49:089:331.00 mi10:11
10:11
-0:57
40K
3:58:129:350.85 mi9:04
10:36
+0:25
25.2M
4:01:589:360.35 mi3:46
10:55
+0:19
Finish(26.22 mi)
4:11:489:371.02 mi9:50
9:39
-1:16
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:52 /mi

Average Pace

9:37 /mi

Slowest Pace

11:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:30:04

60% of race

Time at Steady Pace

1:03:37

25% of race

Time at Slower Pace

38:07

15% of race

Average Pace: 9:36 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi21824853085302158183238323
10K3.10 mi21832-88514+168514+162184385128512
15K3.11 mi21731+1018454+608454+602158183238323
20K3.11 mi21792-618491-378491-372200285838583
Half(13.11 mi)0.68 mi21820-288504-138504-132247788688868
25K2.42 mi21687+1338435+698435+692116681918191
30K3.11 mi21832-1458527-928527-922209388158815
20M1.36 mi21887-558573-468573-462237990969096
21M1.00 mi21915-288617-448617-442223690979097
35K0.75 mi21923-88638-218638-212239192289228
23M1.25 mi22025-1028732-948732-942355398749874
24M1.00 mi22012+138746-148746-142190090869086
40K0.85 mi22016-48765-198765-192221193129312
25.2M0.35 mi21981+358755+108755+102043983878387
Finish(26.22 mi)1.02 mi21967+148763-88763-82174090339033

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21story building
+97ft-345ft

Overall

21581

Females

8323

F18-39

8323

5K→10K

3.1 - 6.2 mi

Top 77%
×5story building
+79ft-138ft

Overall

21843

Females

8512

F18-39

8512

10K→15K

6.2 - 9.3 mi

Top 76%
×3story building
+67ft-78ft

Overall

21581

Females

8323

F18-39

8323

15K→20K

9.3 - 12.4 mi

Top 77%
×5story building
+106ft-86ft

Overall

22002

Females

8583

F18-39

8583

20K→Half

12.4 - 13.1 mi

Top 79%
×2story building
+19ft-37ft

Overall

22477

Females

8868

F18-39

8868

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

21166

Females

8191

F18-39

8191

25K→30K

15.5 - 18.6 mi

Top 78%
×9story building
+181ft-148ft

Overall

22093

Females

8815

F18-39

8815

30K→20M

18.6 - 20.0 mi

Top 79%
×5story building
+64ft-50ft

Overall

22379

Females

9096

F18-39

9096

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

22236

Females

9097

F18-39

9097

21M→35K

21.0 - 21.8 mi

Top 79%
×7story building
+17ft-86ft

Overall

22391

Females

9228

F18-39

9228

35K→23M

21.8 - 23.0 mi

Top 83%
×5story building
+23ft-63ft

Overall

23553

Females

9874

F18-39

9874

23M→24M

23.0 - 24.0 mi

Top 77%
×6story building
+12ft-82ft

Overall

21900

Females

9086

F18-39

9086

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22211

Females

9312

F18-39

9312

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

20439

Females

8387

F18-39

8387

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2story building
+22ft-21ft

Overall

21740

Females

9033

F18-39

9033

Passing Analysis

Category:
Passed
1505
Passed By
1648
Net Change
-143
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21824
5K → 10K259267-8#21824#21832
10K → 15K254153+101#21832#21731
15K → 20K167228-61#21731#21792
20K → Half2452-28#21792#21820
Half → 25K20673+133#21820#21687
25K → 30K148293-145#21687#21832
30K → 20M73128-55#21832#21887
20M → 21M72100-28#21887#21915
21M → 35K3947-8#21915#21923
35K → 23M54156-102#21923#22025
23M → 24M6350+13#22025#22012
24M → 40K4852-4#22012#22016
40K → 25.2M449+35#22016#21981
25.2M → Finish5440+14#21981#21967
TOTALS15051648-143

Passing Charts

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