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BOSTON MARATHON 2025

Elizabeth Niedert

Bib: 14374•F

IN

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 36%
Gender (Female)
#0 / 12228
Top 19%
Division (F18-39)
#0 / 5469
Top 33%
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
7:10/mi
22:17
↑ 97↓ 3451.5%
10K· 6.21 mi
7:18/mi
44:57
↑ 79↓ 1380.4%
15K· 9.32 mi
7:11/mi
1:07:15
↑ 67↓ 78
20K· 12.43 mi
7:23/mi
1:30:12
↑ 106↓ 860.1%
Half· 13.11 mi
7:17/mi
1:35:10
↑ 19↓ 370.5%
25K· 15.53 mi
7:35/mi
1:53:32
↑ 66↓ 880.2%
30K· 18.64 mi
8:02/mi
2:18:29
↑ 181↓ 1480.2%
20M
8:06/mi
2:29:30
↑ 64↓ 500.2%
21M
8:54/mi
2:38:24
↑ 106↓ 241.6%
35K· 21.75 mi
7:46/mi
2:44:13
↑ 17↓ 861.7%
23M
8:14/mi
2:54:31
↑ 23↓ 630.6%
24M
7:59/mi
3:02:30
↓ 821.3%
40K· 24.85 mi
8:08/mi
3:09:27
↓ 200.3%
25.2M
9:02/mi
3:12:34
↑ 13↓ 160.2%
Finish· 26.22 mi
7:29/mi
3:20:12
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:10
Pace7:16 /mi
2nd Half
Distance13.11 mi
Time1:45:02
Pace8:01 /mi
📊Positive Split: 10.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:0022:177:1022:17
7:10
-
10K
6.21 mi11:15:4044:577:1422:40
7:18
+0:08
15K
9.32 mi11:37:581:07:157:1322:18
7:11
-0:07
20K
12.43 mi12:00:551:30:127:1522:57
7:23
+0:12
Half
13.11 mi12:05:531:35:107:164:58
7:17
-0:06
25K
15.53 mi12:24:151:53:327:1918:22
7:35
+0:18
30K
18.64 mi12:49:122:18:297:2624:57
8:02
+0:27
20M
20.00 mi13:00:132:29:307:2811:01
8:06
+0:04
21M
21.00 mi13:09:072:38:247:338:54
8:54
+0:48
35K
21.75 mi13:14:562:44:137:335:49
7:46
-1:08
23M
23.00 mi13:25:142:54:317:3510:18
8:14
+0:28
24M
24.00 mi13:33:133:02:307:367:59
7:59
-0:15
40K
24.85 mi13:40:103:09:277:376:57
8:08
+0:09
25.2M
25.20 mi13:43:173:12:347:383:07
9:02
+0:54
Finish
26.22 mi13:50:553:20:127:387:38
7:29
-1:33

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

7:10 /mi

Average Pace

7:38 /mi

Slowest Pace

9:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:48

51% of race

Time at Steady Pace

57:07

29% of race

Time at Slower Pace

40:17

20% of race

Average Pace: 7:38 /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 mi10:53:0022:177:1022:17
7:10
#9256
10K
6.21 mi11:15:4044:577:1422:40
7:18
#9756
15K
9.32 mi11:37:581:07:157:1322:18
7:11
#9450
20K
12.43 mi12:00:551:30:127:1522:57
7:23
#9493
Half
13.11 mi12:05:531:35:107:164:58
7:17
#9498
25K
15.53 mi12:24:151:53:327:1918:22
7:35
#9653
30K
18.64 mi12:49:122:18:297:2624:57
8:02
#9945
20M
20.00 mi13:00:132:29:307:2811:01
8:06
#10000
21M
21.00 mi13:09:072:38:247:338:54
8:54
#10190
35K
21.75 mi13:14:562:44:137:335:49
7:46
#10192
23M
23.00 mi13:25:142:54:317:3510:18
8:14
#10253
24M
24.00 mi13:33:133:02:307:367:59
7:59
#10258
40K
24.85 mi13:40:103:09:277:376:57
8:08
#10262
25.2M
25.20 mi13:43:173:12:347:383:07
9:02
#10288
Finish
26.22 mi13:50:553:20:127:387:38
7:29
#10208
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9256148914898953(Top 32%)1412(Top 12%)1412(Top 26%)
10K6.21 mi3.10 mi9756-5001700-2111700-21110329(Top 36%)1974(Top 16%)1974(Top 36%)
15K9.32 mi3.11 mi9450+3061579+1211579+1218953(Top 32%)1412(Top 12%)1412(Top 26%)
20K12.43 mi3.11 mi9493-431638-591638-599810(Top 35%)1881(Top 15%)1881(Top 34%)
Half13.11 mi0.68 mi9498-51649-111649-119906(Top 35%)1922(Top 16%)1922(Top 35%)
25K15.53 mi2.42 mi9653-1551747-981747-9810570(Top 37%)2361(Top 19%)2361(Top 43%)
30K18.64 mi3.11 mi9945-2921932-1851932-18511615(Top 41%)3099(Top 25%)3099(Top 57%)
20M20.00 mi1.36 mi10000-551987-551987-5511171(Top 39%)3019(Top 25%)3019(Top 55%)
21M21.00 mi1.00 mi10190-1902138-1512138-15112931(Top 46%)4074(Top 33%)4074(Top 74%)
35K21.75 mi0.75 mi10192-22158-202158-2010644(Top 37%)2915(Top 24%)2915(Top 53%)
23M23.00 mi1.25 mi10253-612243-852243-8511540(Top 41%)3495(Top 29%)3495(Top 64%)
24M24.00 mi1.00 mi10258-52268-252268-2511128(Top 39%)3360(Top 27%)3360(Top 61%)
40K24.85 mi0.85 mi10262-42309-412309-4111098(Top 39%)3443(Top 28%)3443(Top 63%)
25.2M25.20 mi0.35 mi10288-262338-292338-2912032(Top 42%)3973(Top 32%)3973(Top 73%)
Finish26.22 mi1.02 mi10208+802327+112327+119136(Top 32%)2593(Top 21%)2593(Top 47%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

8953

Females

1412

F18-39

1412

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

10329

Females

1974

F18-39

1974

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

8953

Females

1412

F18-39

1412

15K→20K

9.3 - 12.4 mi

Top 35%
×5story building
+106ft-86ft

Overall

9810

Females

1881

F18-39

1881

20K→Half

12.4 - 13.1 mi

Top 35%
×2story building
+19ft-37ft

Overall

9906

Females

1922

F18-39

1922

Half→25K

13.1 - 15.5 mi

Top 37%
×4story building
+66ft-88ft

Overall

10570

Females

2361

F18-39

2361

25K→30K

15.5 - 18.6 mi

Top 41%
×9story building
+181ft-148ft

Overall

11615

Females

3099

F18-39

3099

30K→20M

18.6 - 20.0 mi

Top 39%
×5story building
+64ft-50ft

Overall

11171

Females

3019

F18-39

3019

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

12931

Females

4074

F18-39

4074

21M→35K

21.0 - 21.8 mi

Top 37%
×7story building
+17ft-86ft

Overall

10644

Females

2915

F18-39

2915

35K→23M

21.8 - 23.0 mi

Top 41%
×5story building
+23ft-63ft

Overall

11540

Females

3495

F18-39

3495

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

11128

Females

3360

F18-39

3360

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

11098

Females

3443

F18-39

3443

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

12032

Females

3973

F18-39

3973

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2story building
+22ft-21ft

Overall

9136

Females

2593

F18-39

2593

Passing Analysis

Category:
Athletes Passed
1503
Passed By
2451
Net Change
-952
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9256
5K → 10K85584-500#9256#9756
10K → 15K35145+306#9756#9450
15K → 20K169212-43#9450#9493
20K → Half3641-5#9493#9498
Half → 25K112267-155#9498#9653
25K → 30K142434-292#9653#9945
30K → 20M103156-55#9945#10000
20M → 21M54243-190#10000#10190
21M → 35K5961-2#10190#10192
35K → 23M92153-61#10192#10253
23M → 24M7782-5#10253#10258
24M → 40K8084-4#10258#10262
40K → 25.2M2753-26#10262#10288
25.2M → Finish11636+80#10288#10208
TOTALS15032451-952
📊

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