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BOSTON MARATHON 2025

Elizabeth Nelmes

Bib: 14409•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 47%
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
24:27
Rank: #15440
Start → 5K
24:27 | 7:52/mi
10K· 6.21 mi
49:38
Rank: #16417 (-977)
5K → 10K
25:11 | 8:06/mi
15K· 9.32 mi
1:14:20
Rank: #16127 (+290)
10K → 15K
24:42 | 7:57/mi
20K· 12.43 mi
1:40:31
Rank: #16595 (-468)
15K → 20K
26:11 | 8:26/mi
Half· 13.11 mi
1:46:00
Rank: #16575 (+20)
20K → Half
5:29 | 8:02/mi
25K· 15.53 mi
2:05:37
Rank: #16219 (+356)
Half → 25K
19:37 | 8:05/mi
30K· 18.64 mi
2:32:26
Rank: #16070 (+149)
25K → 30K
26:49 | 8:38/mi
20M
2:44:20
Rank: #15976 (+94)
30K → 20M
11:54 | 8:45/mi
21M
2:54:59
Rank: #16281 (-305)
20M → 21M
10:39 | 10:39/mi
35K· 21.75 mi
3:01:23
Rank: #16234 (+47)
21M → 35K
6:24 | 8:33/mi
23M
3:13:50
Rank: #16519 (-285)
35K → 23M
12:27 | 9:57/mi
24M
3:22:33
Rank: #16484 (+35)
23M → 24M
8:43 | 8:43/mi
40K· 24.85 mi
3:30:09
Rank: #16435 (+49)
24M → 40K
7:36 | 8:53/mi
25.2M
3:33:34
Rank: #16448 (-13)
40K → 25.2M
3:25 | 9:54/mi
Finish· 26.22 mi
3:42:16
Rank: #16430 (+18)
25.2M → Finish
8:42 | 8:32/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:00
Pace8:05 /mi
2nd Half
Distance13.11 mi
Time1:56:16
Pace8:52 /mi
📊Positive Split: 9.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:1924:277:5224:27
7:52
-
10K
6.21 mi11:19:3049:387:5925:11
8:06
+0:14
15K
9.32 mi11:44:121:14:207:5924:42
7:57
-0:09
20K
12.43 mi12:10:231:40:318:0526:11
8:26
+0:29
Half
13.11 mi12:15:521:46:008:055:29
8:02
-0:24
25K
15.53 mi12:35:292:05:378:0519:37
8:05
+0:03
30K
18.64 mi13:02:182:32:268:1126:49
8:38
+0:33
20M
20.00 mi13:14:122:44:208:1311:54
8:45
+0:07
21M
21.00 mi13:24:512:54:598:2010:39
10:39
+1:54
35K
21.75 mi13:31:153:01:238:206:24
8:33
-2:06
23M
23.00 mi13:43:423:13:508:2612:27
9:57
+1:24
24M
24.00 mi13:52:253:22:338:268:43
8:43
-1:14
40K
24.85 mi14:00:013:30:098:277:36
8:53
+0:10
25.2M
25.20 mi14:03:263:33:348:283:25
9:54
+1:01
Finish
26.22 mi14:12:083:42:168:298:42
8:32
-1:22

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

7:52 /mi

Average Pace

8:29 /mi

Slowest Pace

10:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:26

45% of race

Time at Steady Pace

1:36:19

43% of race

Time at Slower Pace

26:31

12% of race

Average Pace: 8:29 /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 mi10:54:1924:277:5224:27
7:52
#15440
10K
6.21 mi11:19:3049:387:5925:11
8:06
#16417
15K
9.32 mi11:44:121:14:207:5924:42
7:57
#16127
20K
12.43 mi12:10:231:40:318:0526:11
8:26
#16595
Half
13.11 mi12:15:521:46:008:055:29
8:02
#16575
25K
15.53 mi12:35:292:05:378:0519:37
8:05
#16219
30K
18.64 mi13:02:182:32:268:1126:49
8:38
#16070
20M
20.00 mi13:14:122:44:208:1311:54
8:45
#15976
21M
21.00 mi13:24:512:54:598:2010:39
10:39
#16281
35K
21.75 mi13:31:153:01:238:206:24
8:33
#16234
23M
23.00 mi13:43:423:13:508:2612:27
9:57
#16519
24M
24.00 mi13:52:253:22:338:268:43
8:43
#16484
40K
24.85 mi14:00:013:30:098:277:36
8:53
#16435
25.2M
25.20 mi14:03:263:33:348:283:25
9:54
#16448
Finish
26.22 mi14:12:083:42:168:298:42
8:32
#16430
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi154404804480415681(Top 55%)4960(Top 41%)4960(Top 91%)
10K6.21 mi3.10 mi16417-9775394-5905394-59017248(Top 61%)5852(Top 48%)5852(Top 107%)
15K9.32 mi3.11 mi16127+2905215+1795215+17915681(Top 55%)4960(Top 41%)4960(Top 91%)
20K12.43 mi3.11 mi16595-4685497-2825497-28217723(Top 62%)6177(Top 51%)6177(Top 113%)
Half13.11 mi0.68 mi16575+205487+105487+1016260(Top 57%)5347(Top 44%)5347(Top 98%)
25K15.53 mi2.42 mi16219+3565293+1945293+19414599(Top 51%)4543(Top 37%)4543(Top 83%)
30K18.64 mi3.11 mi16070+1495263+305263+3015586(Top 55%)5225(Top 43%)5225(Top 96%)
20M20.00 mi1.36 mi15976+945257+65257+615439(Top 54%)5289(Top 43%)5289(Top 97%)
21M21.00 mi1.00 mi16281-3055460-2035460-20320446(Top 72%)8146(Top 67%)8146(Top 149%)
35K21.75 mi0.75 mi16234+475454+65454+615828(Top 56%)5685(Top 46%)5685(Top 104%)
23M23.00 mi1.25 mi16519-2855647-1935647-19320301(Top 71%)8198(Top 67%)8198(Top 150%)
24M24.00 mi1.00 mi16484+355653-65653-615856(Top 56%)5846(Top 48%)5846(Top 107%)
40K24.85 mi0.85 mi16435+495653565315721(Top 55%)5905(Top 48%)5905(Top 108%)
25.2M25.20 mi0.35 mi16448-135665-125665-1216626(Top 59%)6394(Top 52%)6394(Top 117%)
Finish26.22 mi1.02 mi16430+185687-225687-2216478(Top 58%)6288(Top 51%)6288(Top 115%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21stories
+97ft-345ft

Overall

15681

Females

4960

F18-39

4960

5K→10K

3.1 - 6.2 mi

Top 61%
×5stories
+79ft-138ft

Overall

17248

Females

5852

F18-39

5852

10K→15K

6.2 - 9.3 mi

Top 55%
×3stories
+67ft-78ft

Overall

15681

Females

4960

F18-39

4960

15K→20K

9.3 - 12.4 mi

Top 62%
×5stories
+106ft-86ft

Overall

17723

Females

6177

F18-39

6177

20K→Half

12.4 - 13.1 mi

Top 57%
×2stories
+19ft-37ft

Overall

16260

Females

5347

F18-39

5347

Half→25K

13.1 - 15.5 mi

Top 51%
×4stories
+66ft-88ft

Overall

14599

Females

4543

F18-39

4543

25K→30K

15.5 - 18.6 mi

Top 55%
×9stories
+181ft-148ft

Overall

15586

Females

5225

F18-39

5225

30K→20M

18.6 - 20.0 mi

Top 54%
×5stories
+64ft-50ft

Overall

15439

Females

5289

F18-39

5289

20M→21M

20.0 - 21.0 mi

Top 72%
×8stories
+106ft-24ft

Overall

20446

Females

8146

F18-39

8146

21M→35K

21.0 - 21.8 mi

Top 56%
×7stories
+17ft-86ft

Overall

15828

Females

5685

F18-39

5685

35K→23M

21.8 - 23.0 mi

Top 71%
×5stories
+23ft-63ft

Overall

20301

Females

8198

F18-39

8198

23M→24M

23.0 - 24.0 mi

Top 56%
×6stories
+12ft-82ft

Overall

15856

Females

5846

F18-39

5846

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

15721

Females

5905

F18-39

5905

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

16626

Females

6394

F18-39

6394

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2stories
+22ft-21ft

Overall

16478

Females

6288

F18-39

6288

Passing Analysis

Category:
Athletes Passed
1878
Passed By
2868
Net Change
-990
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15440
5K → 10K711048-977#15440#16417
10K → 15K37787+290#16417#16127
15K → 20K91559-468#16127#16595
20K → Half4222+20#16595#16575
Half → 25K37317+356#16575#16219
25K → 30K286137+149#16219#16070
30K → 20M16470+94#16070#15976
20M → 21M37342-305#15976#16281
21M → 35K8841+47#16281#16234
35K → 23M47332-285#16234#16519
23M → 24M9560+35#16519#16484
24M → 40K9142+49#16484#16435
40K → 25.2M2841-13#16435#16448
25.2M → Finish8870+18#16448#16430
TOTALS18782868-990
📊

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