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BOSTON MARATHON 2025

Aubrey Spielholz

Bib: 27439•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
26:29
Rank: #20037
Start → 5K
26:29 | 8:31/mi
10K· 6.21 mi
52:00
Rank: #19057 (+980)
5K → 10K
25:31 | 8:13/mi
15K· 9.32 mi
1:17:33
Rank: #18541 (+516)
10K → 15K
25:33 | 8:13/mi
20K· 12.43 mi
1:44:19
Rank: #18622 (-81)
15K → 20K
26:46 | 8:37/mi
Half· 13.11 mi
1:50:20
Rank: #18747 (-125)
20K → Half
6:01 | 8:49/mi
25K· 15.53 mi
2:12:22
Rank: #19041 (-294)
Half → 25K
22:02 | 9:05/mi
30K· 18.64 mi
2:44:30
Rank: #20018 (-977)
25K → 30K
32:08 | 10:21/mi
20M
2:58:07
Rank: #20113 (-95)
30K → 20M
13:37 | 10:01/mi
21M
3:09:11
Rank: #20246 (-133)
20M → 21M
11:04 | 11:04/mi
35K· 21.75 mi
3:15:53
Rank: #20170 (+76)
21M → 35K
6:42 | 8:57/mi
23M
3:27:46
Rank: #20084 (+86)
35K → 23M
11:53 | 9:29/mi
24M
3:37:18
Rank: #20071 (+13)
23M → 24M
9:32 | 9:32/mi
40K· 24.85 mi
3:45:32
Rank: #20031 (+40)
24M → 40K
8:14 | 9:38/mi
25.2M
3:49:16
Rank: #20059 (-28)
40K → 25.2M
3:44 | 10:50/mi
Finish· 26.22 mi
3:58:18
Rank: #20010 (+49)
25.2M → Finish
9:02 | 8:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:20
Pace8:25 /mi
2nd Half
Distance13.11 mi
Time2:07:58
Pace9:46 /mi
📊Positive Split: 16.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:5826:298:3126:29
8:31
-
10K
6.21 mi12:08:2952:008:2225:31
8:13
-0:18
15K
9.32 mi12:34:021:17:338:1925:33
8:13
0:00
20K
12.43 mi13:00:481:44:198:2426:46
8:37
+0:24
Half
13.11 mi13:06:491:50:208:256:01
8:49
+0:12
25K
15.53 mi13:28:512:12:228:3122:02
9:05
+0:16
30K
18.64 mi14:00:592:44:308:4932:08
10:21
+1:16
20M
20.00 mi14:14:362:58:078:5413:37
10:01
-0:20
21M
21.00 mi14:25:403:09:119:0111:04
11:04
+1:03
35K
21.75 mi14:32:223:15:539:006:42
8:57
-2:07
23M
23.00 mi14:44:153:27:469:0211:53
9:29
+0:32
24M
24.00 mi14:53:473:37:189:039:32
9:32
+0:03
40K
24.85 mi15:02:013:45:329:048:14
9:38
+0:06
25.2M
25.20 mi15:05:453:49:169:063:44
10:50
+1:12
Finish
26.22 mi15:14:473:58:189:069:02
8:52
-1:58

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

8:13 /mi

Average Pace

9:06 /mi

Slowest Pace

11:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:19

44% of race

Time at Steady Pace

55:40

23% of race

Time at Slower Pace

1:18:19

33% of race

Average Pace: 9:05 /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 mi11:42:5826:298:3126:29
8:31
#20037
10K
6.21 mi12:08:2952:008:2225:31
8:13
#19057
15K
9.32 mi12:34:021:17:338:1925:33
8:13
#18541
20K
12.43 mi13:00:481:44:198:2426:46
8:37
#18622
Half
13.11 mi13:06:491:50:208:256:01
8:49
#18747
25K
15.53 mi13:28:512:12:228:3122:02
9:05
#19041
30K
18.64 mi14:00:592:44:308:4932:08
10:21
#20018
20M
20.00 mi14:14:362:58:078:5413:37
10:01
#20113
21M
21.00 mi14:25:403:09:119:0111:04
11:04
#20246
35K
21.75 mi14:32:223:15:539:006:42
8:57
#20170
23M
23.00 mi14:44:153:27:469:0211:53
9:29
#20084
24M
24.00 mi14:53:473:37:189:039:32
9:32
#20071
40K
24.85 mi15:02:013:45:329:048:14
9:38
#20031
25.2M
25.20 mi15:05:453:49:169:063:44
10:50
#20059
Finish
26.22 mi15:14:473:58:189:069:02
8:52
#20010
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi200377521752117566(Top 62%)6058(Top 50%)6058(Top 111%)
10K6.21 mi3.10 mi19057+9806938+5836938+58317998(Top 63%)6292(Top 51%)6292(Top 115%)
15K9.32 mi3.11 mi18541+5166648+2906648+29017566(Top 62%)6058(Top 50%)6058(Top 111%)
20K12.43 mi3.11 mi18622-816688-406688-4018954(Top 67%)6891(Top 56%)6891(Top 126%)
Half13.11 mi0.68 mi18747-1256759-716759-7121016(Top 74%)8049(Top 66%)8049(Top 147%)
25K15.53 mi2.42 mi19041-2946943-1846943-18420309(Top 72%)7704(Top 63%)7704(Top 141%)
30K18.64 mi3.11 mi20018-9777537-5947537-59422578(Top 79%)9092(Top 74%)9092(Top 166%)
20M20.00 mi1.36 mi20113-957616-797616-7921013(Top 74%)8362(Top 68%)8362(Top 153%)
21M21.00 mi1.00 mi20246-1337718-1027718-10221589(Top 76%)8756(Top 72%)8756(Top 160%)
35K21.75 mi0.75 mi20170+767690+287690+2818061(Top 64%)6943(Top 57%)6943(Top 127%)
23M23.00 mi1.25 mi20084+867671+197671+1918680(Top 66%)7340(Top 60%)7340(Top 134%)
24M24.00 mi1.00 mi20071+137676-57676-519750(Top 70%)7957(Top 65%)7957(Top 145%)
40K24.85 mi0.85 mi20031+407677-17677-119224(Top 68%)7744(Top 63%)7744(Top 142%)
25.2M25.20 mi0.35 mi20059-287704-277704-2720143(Top 71%)8233(Top 67%)8233(Top 151%)
Finish26.22 mi1.02 mi20010+497683+217683+2118394(Top 65%)7292(Top 60%)7292(Top 133%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21stories
+97ft-345ft

Overall

17566

Females

6058

F18-39

6058

5K→10K

3.1 - 6.2 mi

Top 63%
×5stories
+79ft-138ft

Overall

17998

Females

6292

F18-39

6292

10K→15K

6.2 - 9.3 mi

Top 62%
×3stories
+67ft-78ft

Overall

17566

Females

6058

F18-39

6058

15K→20K

9.3 - 12.4 mi

Top 67%
×5stories
+106ft-86ft

Overall

18954

Females

6891

F18-39

6891

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

21016

Females

8049

F18-39

8049

Half→25K

13.1 - 15.5 mi

Top 72%
×4stories
+66ft-88ft

Overall

20309

Females

7704

F18-39

7704

25K→30K

15.5 - 18.6 mi

Top 79%
×9stories
+181ft-148ft

Overall

22578

Females

9092

F18-39

9092

30K→20M

18.6 - 20.0 mi

Top 74%
×5stories
+64ft-50ft

Overall

21013

Females

8362

F18-39

8362

20M→21M

20.0 - 21.0 mi

Top 76%
×8stories
+106ft-24ft

Overall

21589

Females

8756

F18-39

8756

21M→35K

21.0 - 21.8 mi

Top 64%
×7stories
+17ft-86ft

Overall

18061

Females

6943

F18-39

6943

35K→23M

21.8 - 23.0 mi

Top 66%
×5stories
+23ft-63ft

Overall

18680

Females

7340

F18-39

7340

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

19750

Females

7957

F18-39

7957

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

19224

Females

7744

F18-39

7744

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

20143

Females

8233

F18-39

8233

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2stories
+22ft-21ft

Overall

18394

Females

7292

F18-39

7292

Passing Analysis

Category:
Athletes Passed
2486
Passed By
2459
Net Change
+27
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20037
5K → 10K102343+980#20037#19057
10K → 15K54731+516#19057#18541
15K → 20K162243-81#18541#18622
20K → Half17142-125#18622#18747
Half → 25K96390-294#18747#19041
25K → 30K461023-977#19041#20018
30K → 20M77172-95#20018#20113
20M → 21M46179-133#20113#20246
21M → 35K9519+76#20246#20170
35K → 23M11630+86#20170#20084
23M → 24M7158+13#20084#20071
24M → 40K7737+40#20071#20031
40K → 25.2M1745-28#20031#20059
25.2M → Finish9647+49#20059#20010
TOTALS24862459+27
📊

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