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BOSTON MARATHON 2025

Nikki Niemeyer

Bib: 14841•F

OH

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Overall
#0 / 28404
Top 50%
Gender (Female)
#0 / 12228
Top 36%
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
22:56
Rank: #11163
Start → 5K
22:56 | 7:23/mi
10K· 6.21 mi
46:01
Rank: #11297 (-134)
5K → 10K
23:05 | 7:26/mi
15K· 9.32 mi
1:09:09
Rank: #11249 (+48)
10K → 15K
23:08 | 7:27/mi
20K· 12.43 mi
1:33:21
Rank: #11739 (-490)
15K → 20K
24:12 | 7:47/mi
Half· 13.11 mi
1:38:28
Rank: #11731 (+8)
20K → Half
5:07 | 7:30/mi
25K· 15.53 mi
2:04:24
Rank: #15611 (-3880)
Half → 25K
25:56 | 10:42/mi
30K· 18.64 mi
2:28:57
Rank: #14633 (+978)
25K → 30K
24:33 | 7:54/mi
20M
2:41:54
Rank: #15098 (-465)
30K → 20M
12:57 | 9:32/mi
21M
2:50:33
Rank: #14824 (+274)
20M → 21M
8:39 | 8:39/mi
35K· 21.75 mi
2:56:22
Rank: #14649 (+175)
21M → 35K
5:49 | 7:46/mi
23M
3:06:34
Rank: #14411 (+238)
35K → 23M
10:12 | 8:09/mi
24M
3:14:49
Rank: #14321 (+90)
23M → 24M
8:15 | 8:15/mi
40K· 24.85 mi
3:21:52
Rank: #14206 (+115)
24M → 40K
7:03 | 8:15/mi
25.2M
3:25:12
Rank: #14215 (-9)
40K → 25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
3:33:11
Rank: #14085 (+130)
25.2M → Finish
7:59 | 7:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:28
Pace7:31 /mi
2nd Half
Distance13.11 mi
Time1:54:43
Pace8:45 /mi
📊Positive Split: 16.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:4522:567:2322:56
7:23
-
10K
6.21 mi11:14:5046:017:2423:05
7:26
+0:03
15K
9.32 mi11:37:581:09:097:2523:08
7:27
+0:01
20K
12.43 mi12:02:101:33:217:3124:12
7:47
+0:20
Half
13.11 mi12:07:171:38:287:315:07
7:30
-0:17
25K
15.53 mi12:33:132:04:248:0025:56
10:42
+3:12
30K
18.64 mi12:57:462:28:577:5924:33
7:54
-2:48
20M
20.00 mi13:10:432:41:548:0612:57
9:32
+1:38
21M
21.00 mi13:19:222:50:338:078:39
8:39
-0:53
35K
21.75 mi13:25:112:56:228:075:49
7:46
-0:53
23M
23.00 mi13:35:233:06:348:0710:12
8:09
+0:23
24M
24.00 mi13:43:383:14:498:078:15
8:15
+0:06
40K
24.85 mi13:50:413:21:528:077:03
8:15
0:00
25.2M
25.20 mi13:54:013:25:128:093:20
9:40
+1:25
Finish
26.22 mi14:02:003:33:118:087:59
7:50
-1:50

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

7:23 /mi

Average Pace

8:08 /mi

Slowest Pace

10:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

22:56

11% of race

Time at Steady Pace

2:19:23

65% of race

Time at Slower Pace

50:52

24% of race

Average Pace: 8:08 /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 mi10:51:4522:567:2322:56
7:23
#11163
10K
6.21 mi11:14:5046:017:2423:05
7:26
#11297
15K
9.32 mi11:37:581:09:097:2523:08
7:27
#11249
20K
12.43 mi12:02:101:33:217:3124:12
7:47
#11739
Half
13.11 mi12:07:171:38:287:315:07
7:30
#11731
25K
15.53 mi12:33:132:04:248:0025:56
10:42
#15611
30K
18.64 mi12:57:462:28:577:5924:33
7:54
#14633
20M
20.00 mi13:10:432:41:548:0612:57
9:32
#15098
21M
21.00 mi13:19:222:50:338:078:39
8:39
#14824
35K
21.75 mi13:25:112:56:228:075:49
7:46
#14649
23M
23.00 mi13:35:233:06:348:0710:12
8:09
#14411
24M
24.00 mi13:43:383:14:498:078:15
8:15
#14321
40K
24.85 mi13:50:413:21:528:077:03
8:15
#14206
25.2M
25.20 mi13:54:013:25:128:093:20
9:40
#14215
Finish
26.22 mi14:02:003:33:118:087:59
7:50
#14085
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi111632365236511317(Top 40%)2544(Top 21%)2544(Top 47%)
10K6.21 mi3.10 mi11297-1342451-862451-8611478(Top 40%)2557(Top 21%)2557(Top 47%)
15K9.32 mi3.11 mi11249+482447+42447+411317(Top 40%)2544(Top 21%)2544(Top 47%)
20K12.43 mi3.11 mi11739-4902737-2902737-29013209(Top 47%)3662(Top 30%)3662(Top 67%)
Half13.11 mi0.68 mi11731+82730+72730+711810(Top 42%)2849(Top 23%)2849(Top 52%)
25K15.53 mi2.42 mi15611-38804949-22194949-221924713(Top 87%)10138(Top 83%)10138(Top 185%)
30K18.64 mi3.11 mi14633+9784463+4864463+48610672(Top 38%)2637(Top 22%)2637(Top 48%)
20M20.00 mi1.36 mi15098-4654756-2934756-29319312(Top 68%)7423(Top 61%)7423(Top 136%)
21M21.00 mi1.00 mi14824+2744623+1334623+13311415(Top 40%)3316(Top 27%)3316(Top 61%)
35K21.75 mi0.75 mi14649+1754533+904533+9010708(Top 38%)2979(Top 24%)2979(Top 54%)
23M23.00 mi1.25 mi14411+2384444+894444+8911069(Top 39%)3271(Top 27%)3271(Top 60%)
24M24.00 mi1.00 mi14321+904419+254419+2512936(Top 46%)4286(Top 35%)4286(Top 78%)
40K24.85 mi0.85 mi14206+1154392+274392+2711875(Top 42%)3862(Top 32%)3862(Top 71%)
25.2M25.20 mi0.35 mi14215-94400-84400-815469(Top 54%)5793(Top 47%)5793(Top 106%)
Finish26.22 mi1.02 mi14085+1304363+374363+3711718(Top 41%)3809(Top 31%)3809(Top 70%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

11317

Females

2544

F18-39

2544

5K→10K

3.1 - 6.2 mi

Top 40%
×5stories
+79ft-138ft

Overall

11478

Females

2557

F18-39

2557

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

11317

Females

2544

F18-39

2544

15K→20K

9.3 - 12.4 mi

Top 47%
×5stories
+106ft-86ft

Overall

13209

Females

3662

F18-39

3662

20K→Half

12.4 - 13.1 mi

Top 42%
×2stories
+19ft-37ft

Overall

11810

Females

2849

F18-39

2849

Half→25K

13.1 - 15.5 mi

Top 87%
×4stories
+66ft-88ft

Overall

24713

Females

10138

F18-39

10138

25K→30K

15.5 - 18.6 mi

Top 38%
×9stories
+181ft-148ft

Overall

10672

Females

2637

F18-39

2637

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

19312

Females

7423

F18-39

7423

20M→21M

20.0 - 21.0 mi

Top 40%
×8stories
+106ft-24ft

Overall

11415

Females

3316

F18-39

3316

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

10708

Females

2979

F18-39

2979

35K→23M

21.8 - 23.0 mi

Top 39%
×5stories
+23ft-63ft

Overall

11069

Females

3271

F18-39

3271

23M→24M

23.0 - 24.0 mi

Top 46%
×6stories
+12ft-82ft

Overall

12936

Females

4286

F18-39

4286

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11875

Females

3862

F18-39

3862

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

15469

Females

5793

F18-39

5793

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2stories
+22ft-21ft

Overall

11718

Females

3809

F18-39

3809

Passing Analysis

Category:
Athletes Passed
2670
Passed By
5592
Net Change
-2922
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11163
5K → 10K188322-134#11163#11297
10K → 15K210162+48#11297#11249
15K → 20K68558-490#11249#11739
20K → Half3830+8#11739#11731
Half → 25K43884-3880#11731#15611
25K → 30K9802+978#15611#14633
30K → 20M42507-465#14633#15098
20M → 21M28814+274#15098#14824
21M → 35K1794+175#14824#14649
35K → 23M2457+238#14649#14411
23M → 24M11727+90#14411#14321
24M → 40K13015+115#14321#14206
40K → 25.2M3443-9#14206#14215
25.2M → Finish14717+130#14215#14085
TOTALS26705592-2922
📊

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