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BOSTON MARATHON 2025

Nicole Stauffer

Bib: 27931•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
8:43/mi
27:06
↑ 97↓ 3451.5%
10K· 6.21 mi
8:48/mi
54:26
↑ 79↓ 1380.4%
15K· 9.32 mi
8:52/mi
1:21:58
↑ 67↓ 78
20K· 12.43 mi
8:42/mi
1:49:00
↑ 106↓ 860.1%
Half· 13.11 mi
8:36/mi
1:54:52
↑ 19↓ 370.5%
25K· 15.53 mi
8:50/mi
2:16:17
↑ 66↓ 880.2%
30K· 18.64 mi
8:49/mi
2:43:40
↑ 181↓ 1480.2%
20M
10:29/mi
2:57:55
↑ 64↓ 500.2%
21M
8:37/mi
3:06:32
↑ 106↓ 241.6%
35K· 21.75 mi
7:55/mi
3:12:27
↑ 17↓ 861.7%
23M
8:26/mi
3:23:00
↑ 23↓ 630.6%
24M
7:55/mi
3:30:55
↓ 821.3%
40K· 24.85 mi
8:15/mi
3:37:58
↓ 200.3%
25.2M
8:54/mi
3:41:02
↑ 13↓ 160.2%
Finish· 26.22 mi
7:41/mi
3:48:52
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:54:52
Pace8:46 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:54:00
Pace8:42 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:5627:068:4327:06
8:43
-
10K
6.21 mi12:14:1654:268:4627:20
8:48
+0:05
15K
9.32 mi12:41:481:21:588:4827:32
8:52
+0:04
20K
12.43 mi13:08:501:49:008:4627:02
8:42
-0:10
Half
13.11 mi13:14:421:54:528:465:52
8:36
-0:06
25K
15.53 mi13:36:072:16:178:4621:25
8:50
+0:14
30K
18.64 mi14:03:302:43:408:4727:23
8:49
-0:01
20M
20.00 mi14:17:452:57:558:5414:15
10:29
+1:40
21M
21.00 mi14:26:223:06:328:538:37
8:37
-1:52
35K
21.75 mi14:32:173:12:278:515:55
7:55
-0:42
23M
23.00 mi14:42:503:23:008:5010:33
8:26
+0:31
24M
24.00 mi14:50:453:30:558:477:55
7:55
-0:31
40K
24.85 mi14:57:483:37:588:467:03
8:15
+0:20
25.2M
25.20 mi15:00:523:41:028:463:04
8:54
+0:39
Finish
26.22 mi15:08:423:48:528:447:50
7:41
-1:13

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

7:41 /mi

Average Pace

8:44 /mi

Slowest Pace

10:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

28:43

13% of race

Time at Steady Pace

3:05:54

81% of race

Time at Slower Pace

14:15

6% of race

Average Pace: 8:44 /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 mi11:46:5627:068:4327:06
8:43
#21113
10K
6.21 mi12:14:1654:268:4627:20
8:48
#21226
15K
9.32 mi12:41:481:21:588:4827:32
8:52
#21232
20K
12.43 mi13:08:501:49:008:4627:02
8:42
#20775
Half
13.11 mi13:14:421:54:528:465:52
8:36
#20732
25K
15.53 mi13:36:072:16:178:4621:25
8:50
#20484
30K
18.64 mi14:03:302:43:408:4727:23
8:49
#19749
20M
20.00 mi14:17:452:57:558:5414:15
10:29
#20067
21M
21.00 mi14:26:223:06:328:538:37
8:37
#19615
35K
21.75 mi14:32:173:12:278:515:55
7:55
#19366
23M
23.00 mi14:42:503:23:008:5010:33
8:26
#19020
24M
24.00 mi14:50:453:30:558:477:55
7:55
#18696
40K
24.85 mi14:57:483:37:588:467:03
8:15
#18428
25.2M
25.20 mi15:00:523:41:028:463:04
8:54
#18325
Finish
26.22 mi15:08:423:48:528:447:50
7:41
#18061
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi211138140814021354(Top 75%)8189(Top 67%)8189(Top 150%)
10K6.21 mi3.10 mi21226-1138172-328172-3221393(Top 75%)8246(Top 67%)8246(Top 151%)
15K9.32 mi3.11 mi21232-68164+88164+821354(Top 75%)8189(Top 67%)8189(Top 150%)
20K12.43 mi3.11 mi20775+4577911+2537911+25319423(Top 68%)7153(Top 58%)7153(Top 131%)
Half13.11 mi0.68 mi20732+437888+237888+2319822(Top 70%)7360(Top 60%)7360(Top 135%)
25K15.53 mi2.42 mi20484+2487764+1247764+12419109(Top 67%)7029(Top 57%)7029(Top 129%)
30K18.64 mi3.11 mi19749+7357380+3847380+38416696(Top 59%)5861(Top 48%)5861(Top 107%)
20M20.00 mi1.36 mi20067-3187586-2067586-20622373(Top 79%)9090(Top 74%)9090(Top 166%)
21M21.00 mi1.00 mi19615+4527354+2327354+23211245(Top 40%)3225(Top 26%)3225(Top 59%)
35K21.75 mi0.75 mi19366+2497230+1247230+12411715(Top 41%)3517(Top 29%)3517(Top 64%)
23M23.00 mi1.25 mi19020+3467057+1737057+17312881(Top 45%)4213(Top 34%)4213(Top 77%)
24M24.00 mi1.00 mi18696+3246901+1566901+15610723(Top 38%)3164(Top 26%)3164(Top 58%)
40K24.85 mi0.85 mi18428+2686781+1206781+12011899(Top 42%)3886(Top 32%)3886(Top 71%)
25.2M25.20 mi0.35 mi18325+1036742+396742+3911331(Top 40%)3705(Top 30%)3705(Top 68%)
Finish26.22 mi1.02 mi18061+2646606+1366606+13610668(Top 38%)3313(Top 27%)3313(Top 61%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21story building
+97ft-345ft

Overall

21354

Females

8189

F18-39

8189

5K→10K

3.1 - 6.2 mi

Top 75%
×5story building
+79ft-138ft

Overall

21393

Females

8246

F18-39

8246

10K→15K

6.2 - 9.3 mi

Top 75%
×3story building
+67ft-78ft

Overall

21354

Females

8189

F18-39

8189

15K→20K

9.3 - 12.4 mi

Top 68%
×5story building
+106ft-86ft

Overall

19423

Females

7153

F18-39

7153

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

19822

Females

7360

F18-39

7360

Half→25K

13.1 - 15.5 mi

Top 67%
×4story building
+66ft-88ft

Overall

19109

Females

7029

F18-39

7029

25K→30K

15.5 - 18.6 mi

Top 59%
×9story building
+181ft-148ft

Overall

16696

Females

5861

F18-39

5861

30K→20M

18.6 - 20.0 mi

Top 79%
×5story building
+64ft-50ft

Overall

22373

Females

9090

F18-39

9090

20M→21M

20.0 - 21.0 mi

Top 40%
×8story building
+106ft-24ft

Overall

11245

Females

3225

F18-39

3225

21M→35K

21.0 - 21.8 mi

Top 41%
×7story building
+17ft-86ft

Overall

11715

Females

3517

F18-39

3517

35K→23M

21.8 - 23.0 mi

Top 45%
×5story building
+23ft-63ft

Overall

12881

Females

4213

F18-39

4213

23M→24M

23.0 - 24.0 mi

Top 38%
×6story building
+12ft-82ft

Overall

10723

Females

3164

F18-39

3164

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11899

Females

3886

F18-39

3886

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

11331

Females

3705

F18-39

3705

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2story building
+22ft-21ft

Overall

10668

Females

3313

F18-39

3313

Passing Analysis

Category:
Athletes Passed
4046
Passed By
994
Net Change
+3052
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21113
5K → 10K226339-113#21113#21226
10K → 15K211217-6#21226#21232
15K → 20K47518+457#21232#20775
20K → Half5714+43#20775#20732
Half → 25K28739+248#20732#20484
25K → 30K7416+735#20484#19749
30K → 20M37355-318#19749#20067
20M → 21M4520+452#20067#19615
21M → 35K2490+249#19615#19366
35K → 23M3460+346#19366#19020
23M → 24M3262+324#19020#18696
24M → 40K2691+268#18696#18428
40K → 25.2M1041+103#18428#18325
25.2M → Finish2662+264#18325#18061
TOTALS4046994+3052
📊

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