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BOSTON MARATHON 2025

Savannah Nelson

Bib: 5522•F

FL

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 9%
Gender (Female)
#0 / 12228
Top 1%
Division (F18-39)
#0 / 5469
Top 2%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:03
Rank: #3507
Start → 5K
20:03 | 6:27/mi
10K· 6.21 mi
40:04
Rank: #3400 (+107)
5K → 10K
20:01 | 6:27/mi
15K· 9.32 mi
1:00:07
Rank: #3327 (+73)
10K → 15K
20:03 | 6:27/mi
20K· 12.43 mi
1:20:20
Rank: #3253 (+74)
15K → 20K
20:13 | 6:30/mi
Half· 13.11 mi
1:24:42
Rank: #3240 (+13)
20K → Half
4:22 | 6:24/mi
25K· 15.53 mi
1:40:25
Rank: #3157 (+83)
Half → 25K
15:43 | 6:29/mi
30K· 18.64 mi
2:01:14
Rank: #3072 (+85)
25K → 30K
20:49 | 6:42/mi
20M
2:10:25
Rank: #2997 (+75)
30K → 20M
9:11 | 6:45/mi
21M
2:17:30
Rank: #2942 (+55)
20M → 21M
7:05 | 7:05/mi
35K· 21.75 mi
2:22:23
Rank: #2885 (+57)
21M → 35K
4:53 | 6:32/mi
23M
2:30:55
Rank: #2838 (+47)
35K → 23M
8:32 | 6:49/mi
24M
2:37:32
Rank: #2792 (+46)
23M → 24M
6:37 | 6:37/mi
40K· 24.85 mi
2:43:15
Rank: #2748 (+44)
24M → 40K
5:43 | 6:41/mi
25.2M
2:45:44
Rank: #2715 (+33)
40K → 25.2M
2:29 | 7:12/mi
Finish· 26.22 mi
2:52:21
Rank: #2698 (+17)
25.2M → Finish
6:37 | 6:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:42
Pace6:28 /mi
2nd Half
Distance13.11 mi
Time1:27:39
Pace6:41 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:3820:036:2720:03
6:27
-
10K
6.21 mi10:44:3940:046:2720:01
6:27
0:00
15K
9.32 mi11:04:421:00:076:2720:03
6:27
0:00
20K
12.43 mi11:24:551:20:206:2820:13
6:30
+0:03
Half
13.11 mi11:29:171:24:426:284:22
6:24
-0:06
25K
15.53 mi11:45:001:40:256:2815:43
6:29
+0:05
30K
18.64 mi12:05:492:01:146:3020:49
6:42
+0:13
20M
20.00 mi12:15:002:10:256:319:11
6:45
+0:03
21M
21.00 mi12:22:052:17:306:337:05
7:05
+0:20
35K
21.75 mi12:26:582:22:236:334:53
6:32
-0:33
23M
23.00 mi12:35:302:30:556:348:32
6:49
+0:17
24M
24.00 mi12:42:072:37:326:346:37
6:37
-0:12
40K
24.85 mi12:47:502:43:156:345:43
6:41
+0:04
25.2M
25.20 mi12:50:192:45:446:352:29
7:12
+0:31
Finish
26.22 mi12:56:562:52:216:356:37
6:30
-0:42

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

6:24 /mi

Average Pace

6:35 /mi

Slowest Pace

7:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:42:47

94% of race

Time at Steady Pace

9:34

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:34 /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 mi10:24:3820:036:2720:03
6:27
#3507
10K
6.21 mi10:44:3940:046:2720:01
6:27
#3400
15K
9.32 mi11:04:421:00:076:2720:03
6:27
#3327
20K
12.43 mi11:24:551:20:206:2820:13
6:30
#3253
Half
13.11 mi11:29:171:24:426:284:22
6:24
#3240
25K
15.53 mi11:45:001:40:256:2815:43
6:29
#3157
30K
18.64 mi12:05:492:01:146:3020:49
6:42
#3072
20M
20.00 mi12:15:002:10:256:319:11
6:45
#2997
21M
21.00 mi12:22:052:17:306:337:05
7:05
#2942
35K
21.75 mi12:26:582:22:236:334:53
6:32
#2885
23M
23.00 mi12:35:302:30:556:348:32
6:49
#2838
24M
24.00 mi12:42:072:37:326:346:37
6:37
#2792
40K
24.85 mi12:47:502:43:156:345:43
6:41
#2748
25.2M
25.20 mi12:50:192:45:446:352:29
7:12
#2715
Finish
26.22 mi12:56:562:52:216:356:37
6:30
#2698
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi35071671673288(Top 12%)158(Top 1%)158(Top 3%)
10K6.21 mi3.10 mi3400+107165+2165+23340(Top 12%)160(Top 1%)160(Top 3%)
15K9.32 mi3.11 mi3327+73161+4161+43288(Top 12%)158(Top 1%)158(Top 3%)
20K12.43 mi3.11 mi3253+74150+11150+113180(Top 11%)154(Top 1%)154(Top 3%)
Half13.11 mi0.68 mi3240+13148+2148+23116(Top 11%)140(Top 1%)140(Top 3%)
25K15.53 mi2.42 mi3157+83142+6142+62811(Top 10%)131(Top 1%)131(Top 2%)
30K18.64 mi3.11 mi3072+851421422894(Top 10%)154(Top 1%)154(Top 3%)
20M20.00 mi1.36 mi2997+75141+1141+12741(Top 10%)163(Top 1%)163(Top 3%)
21M21.00 mi1.00 mi2942+55143-2143-22637(Top 9%)173(Top 1%)173(Top 3%)
35K21.75 mi0.75 mi2885+57139+4139+42650(Top 9%)175(Top 1%)175(Top 3%)
23M23.00 mi1.25 mi2838+47141-2141-22809(Top 10%)219(Top 2%)219(Top 4%)
24M24.00 mi1.00 mi2792+46138+3138+32597(Top 9%)198(Top 2%)198(Top 4%)
40K24.85 mi0.85 mi2748+44137+1137+12334(Top 8%)186(Top 2%)186(Top 3%)
25.2M25.20 mi0.35 mi2715+331371372215(Top 8%)208(Top 2%)208(Top 4%)
Finish26.22 mi1.02 mi2698+171371372820(Top 10%)284(Top 2%)284(Top 5%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3288

Females

158

F18-39

158

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3340

Females

160

F18-39

160

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3288

Females

158

F18-39

158

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

3180

Females

154

F18-39

154

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

3116

Females

140

F18-39

140

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2811

Females

131

F18-39

131

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2894

Females

154

F18-39

154

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2741

Females

163

F18-39

163

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2637

Females

173

F18-39

173

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2650

Females

175

F18-39

175

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2809

Females

219

F18-39

219

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2597

Females

198

F18-39

198

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2334

Females

186

F18-39

186

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2215

Females

208

F18-39

208

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2820

Females

284

F18-39

284

Passing Analysis

Category:
Athletes Passed
1245
Passed By
436
Net Change
+809
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3507
5K → 10K19487+107#3507#3400
10K → 15K13562+73#3400#3327
15K → 20K12551+74#3327#3253
20K → Half2411+13#3253#3240
Half → 25K11633+83#3240#3157
25K → 30K15469+85#3157#3072
30K → 20M9116+75#3072#2997
20M → 21M7621+55#2997#2942
21M → 35K614+57#2942#2885
35K → 23M7427+47#2885#2838
23M → 24M6014+46#2838#2792
24M → 40K5814+44#2792#2748
40K → 25.2M374+33#2748#2715
25.2M → Finish4023+17#2715#2698
TOTALS1245436+809
📊

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