Boston Marathon logo
BOSTON MARATHON 2025

Sydney Levenfeld

Bib: 9552•F

IL

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 11%
Gender (Female)
#0 / 12228
Top 1%
Division (F18-39)
#0 / 5469
Top 3%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:15
Rank: #3978
Start → 5K
20:15 | 6:31/mi
10K· 6.21 mi
40:34
Rank: #3984 (-6)
5K → 10K
20:19 | 6:32/mi
15K· 9.32 mi
1:00:54
Rank: #3924 (+60)
10K → 15K
20:20 | 6:33/mi
20K· 12.43 mi
1:21:23
Rank: #3819 (+105)
15K → 20K
20:29 | 6:36/mi
Half· 13.11 mi
1:25:50
Rank: #3813 (+6)
20K → Half
4:27 | 6:31/mi
25K· 15.53 mi
1:41:51
Rank: #3735 (+78)
Half → 25K
16:01 | 6:36/mi
30K· 18.64 mi
2:02:40
Rank: #3538 (+197)
25K → 30K
20:49 | 6:42/mi
20M
2:11:46
Rank: #3400 (+138)
30K → 20M
9:06 | 6:42/mi
21M
2:18:51
Rank: #3316 (+84)
20M → 21M
7:05 | 7:05/mi
35K· 21.75 mi
2:23:42
Rank: #3244 (+72)
21M → 35K
4:51 | 6:29/mi
23M
2:32:15
Rank: #3165 (+79)
35K → 23M
8:33 | 6:50/mi
24M
2:38:55
Rank: #3111 (+54)
23M → 24M
6:40 | 6:40/mi
40K· 24.85 mi
2:44:57
Rank: #3105 (+6)
24M → 40K
6:02 | 7:03/mi
25.2M
2:47:33
Rank: #3088 (+17)
40K → 25.2M
2:36 | 7:32/mi
Finish· 26.22 mi
2:54:29
Rank: #3117 (-29)
25.2M → Finish
6:56 | 6:48/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:50
Pace6:33 /mi
2nd Half
Distance13.11 mi
Time1:28:39
Pace6:46 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:2320:156:3120:15
6:31
-
10K
6.21 mi11:05:4240:346:3220:19
6:32
+0:01
15K
9.32 mi11:26:021:00:546:3220:20
6:33
+0:01
20K
12.43 mi11:46:311:21:236:3320:29
6:36
+0:03
Half
13.11 mi11:50:581:25:506:334:27
6:31
-0:05
25K
15.53 mi12:06:591:41:516:3316:01
6:36
+0:05
30K
18.64 mi12:27:482:02:406:3520:49
6:42
+0:06
20M
20.00 mi12:36:542:11:466:359:06
6:42
0:00
21M
21.00 mi12:43:592:18:516:377:05
7:05
+0:23
35K
21.75 mi12:48:502:23:426:364:51
6:29
-0:36
23M
23.00 mi12:57:232:32:156:378:33
6:50
+0:21
24M
24.00 mi13:04:032:38:556:376:40
6:40
-0:10
40K
24.85 mi13:10:052:44:576:386:02
7:03
+0:23
25.2M
25.20 mi13:12:412:47:336:392:36
7:32
+0:29
Finish
26.22 mi13:19:372:54:296:406:56
6:48
-0:44

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

6:29 /mi

Average Pace

6:40 /mi

Slowest Pace

7:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:51:53

99% of race

Time at Steady Pace

2:36

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:39 /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 mi10:45:2320:156:3120:15
6:31
#3978
10K
6.21 mi11:05:4240:346:3220:19
6:32
#3984
15K
9.32 mi11:26:021:00:546:3220:20
6:33
#3924
20K
12.43 mi11:46:311:21:236:3320:29
6:36
#3819
Half
13.11 mi11:50:581:25:506:334:27
6:31
#3813
25K
15.53 mi12:06:591:41:516:3316:01
6:36
#3735
30K
18.64 mi12:27:482:02:406:3520:49
6:42
#3538
20M
20.00 mi12:36:542:11:466:359:06
6:42
#3400
21M
21.00 mi12:43:592:18:516:377:05
7:05
#3316
35K
21.75 mi12:48:502:23:426:364:51
6:29
#3244
23M
23.00 mi12:57:232:32:156:378:33
6:50
#3165
24M
24.00 mi13:04:032:38:556:376:40
6:40
#3111
40K
24.85 mi13:10:052:44:576:386:02
7:03
#3105
25.2M
25.20 mi13:12:412:47:336:392:36
7:32
#3088
Finish
26.22 mi13:19:372:54:296:406:56
6:48
#3117
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi39782112113853(Top 14%)209(Top 2%)209(Top 4%)
10K6.21 mi3.10 mi3984-62112114018(Top 14%)229(Top 2%)229(Top 4%)
15K9.32 mi3.11 mi3924+60217-6217-63853(Top 14%)209(Top 2%)209(Top 4%)
20K12.43 mi3.11 mi3819+105210+7210+73662(Top 13%)196(Top 2%)196(Top 4%)
Half13.11 mi0.68 mi3813+6208+2208+23905(Top 14%)212(Top 2%)212(Top 4%)
25K15.53 mi2.42 mi3735+78202+6202+63518(Top 12%)191(Top 2%)191(Top 3%)
30K18.64 mi3.11 mi3538+197186+16186+162899(Top 10%)159(Top 1%)159(Top 3%)
20M20.00 mi1.36 mi3400+138178+8178+82477(Top 9%)134(Top 1%)134(Top 2%)
21M21.00 mi1.00 mi3316+84173+5173+52639(Top 9%)175(Top 1%)175(Top 3%)
35K21.75 mi0.75 mi3244+721731732435(Top 9%)154(Top 1%)154(Top 3%)
23M23.00 mi1.25 mi3165+79170+3170+32873(Top 10%)231(Top 2%)231(Top 4%)
24M24.00 mi1.00 mi3111+54167+3167+32835(Top 10%)228(Top 2%)228(Top 4%)
40K24.85 mi0.85 mi3105+6168-1168-14237(Top 15%)552(Top 5%)552(Top 10%)
25.2M25.20 mi0.35 mi3088+17169-1169-13646(Top 13%)448(Top 4%)448(Top 8%)
Finish26.22 mi1.02 mi3117-29171-2171-24539(Top 16%)694(Top 6%)694(Top 13%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3853

Females

209

F18-39

209

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

4018

Females

229

F18-39

229

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3853

Females

209

F18-39

209

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3662

Females

196

F18-39

196

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3905

Females

212

F18-39

212

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3518

Females

191

F18-39

191

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2899

Females

159

F18-39

159

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2477

Females

134

F18-39

134

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2639

Females

175

F18-39

175

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2435

Females

154

F18-39

154

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2873

Females

231

F18-39

231

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2835

Females

228

F18-39

228

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4237

Females

552

F18-39

552

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3646

Females

448

F18-39

448

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4539

Females

694

F18-39

694

Passing Analysis

Category:
Athletes Passed
1366
Passed By
505
Net Change
+861
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3978
5K → 10K153159-6#3978#3984
10K → 15K12565+60#3984#3924
15K → 20K13934+105#3924#3819
20K → Half1812+6#3819#3813
Half → 25K11234+78#3813#3735
25K → 30K22124+197#3735#3538
30K → 20M1479+138#3538#3400
20M → 21M9713+84#3400#3316
21M → 35K808+72#3316#3244
35K → 23M10122+79#3244#3165
23M → 24M7016+54#3165#3111
24M → 40K4236+6#3111#3105
40K → 25.2M2912+17#3105#3088
25.2M → Finish3261-29#3088#3117
TOTALS1366505+861
📊

Passing Visuals

Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing