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BOSTON MARATHON 2025

Anna Ellis

Bib: 3848 F AU

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 12%
Gender (Female)
#0 / 12228
Top 2%
Masters (Masters Women)
#0 / 6759
Top 0.3%
Division (F45-49)
#0 / 1813
Top 0.3%
Race Day Weather
50°/40°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
6:19/mi
19:37
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:29/mi
39:46
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:28/mi
59:51
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
6:35/mi
1:20:17
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:30/mi
1:24:43
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
6:38/mi
1:40:49
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
6:50/mi
2:02:02
↑ 181↓ 1480.2%
138 ft elev
20M
6:58/mi
2:11:30
↑ 64↓ 500.2%
148 ft elev
21M
7:20/mi
2:18:50
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
6:45/mi
2:23:53
↑ 17↓ 861.7%
156 ft elev
23M
6:59/mi
2:32:38
↑ 23↓ 630.6%
116 ft elev
24M
6:50/mi
2:39:28
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:01/mi
2:45:28
↓ 200.3%
20 ft elev
25.2M
7:53/mi
2:48:11
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
6:51/mi
2:55:10
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:24:436:28 /mi⚡ faster
2nd Half
1:30:276:54 /mi+6.8%
Positive split — 6.8% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:0519:376:1919:37
6:19
-
10K
6.21 mi10:42:1439:466:2420:09
6:29
+0:10
15K
9.32 mi11:02:1959:516:2520:05
6:28
-0:01
20K
12.43 mi11:22:451:20:176:2820:26
6:35
+0:07
Half
13.11 mi11:27:111:24:436:284:26
6:30
-0:05
25K
15.53 mi11:43:171:40:496:2916:06
6:38
+0:08
30K
18.64 mi12:04:302:02:026:3321:13
6:50
+0:12
20M
20.00 mi12:13:582:11:306:349:28
6:58
+0:08
21M
21.00 mi12:21:182:18:506:377:20
7:20
+0:22
35K
21.75 mi12:26:212:23:536:375:03
6:45
-0:35
23M
23.00 mi12:35:062:32:386:388:45
6:59
+0:14
24M
24.00 mi12:41:562:39:286:396:50
6:50
-0:09
40K
24.85 mi12:47:562:45:286:396:00
7:01
+0:11
25.2M
25.20 mi12:50:392:48:116:402:43
7:53
+0:52
Finish
26.22 mi12:57:382:55:106:416:59
6:51
-1:02

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

6:19 /mi

Average Pace

6:41 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

1:40:49

58% of race

Time at Steady Pace

1:04:18

37% of race

Time at Slower Pace

10:03

6% of race

Average Pace: 6:41 /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 mi10:22:0519:376:1919:37
6:19
#2539
10K
6.21 mi10:42:1439:466:2420:09
6:29
#3073
15K
9.32 mi11:02:1959:516:2520:05
6:28
#3153
20K
12.43 mi11:22:451:20:176:2820:26
6:35
#3228
Half
13.11 mi11:27:111:24:436:284:26
6:30
#3247
25K
15.53 mi11:43:171:40:496:2916:06
6:38
#3308
30K
18.64 mi12:04:302:02:026:3321:13
6:50
#3313
20M
20.00 mi12:13:582:11:306:349:28
6:58
#3306
21M
21.00 mi12:21:182:18:506:377:20
7:20
#3311
35K
21.75 mi12:26:212:23:536:375:03
6:45
#3304
23M
23.00 mi12:35:062:32:386:388:45
6:59
#3267
24M
24.00 mi12:41:562:39:286:396:50
6:50
#3252
40K
24.85 mi12:47:562:45:286:396:00
7:01
#3250
25.2M
25.20 mi12:50:392:48:116:402:43
7:53
#3260
Finish
26.22 mi12:57:382:55:106:416:59
6:51
#3283
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi25391151153351166166
10K6.21 mi3.10 mi3073-534144-29144-293624189189
15K9.32 mi3.11 mi3153-80145-1145-13351166166
20K12.43 mi3.11 mi3228-75148-3148-33573185185
Half13.11 mi0.68 mi3247-19149-1149-13730197197
25K15.53 mi2.42 mi3308-61157-8157-83748221221
30K18.64 mi3.11 mi3313-5169-12169-123636255255
20M20.00 mi1.36 mi3306+7170-1170-13935310310
21M21.00 mi1.00 mi3311-5172-2172-23807327327
35K21.75 mi0.75 mi3304+7176-4176-43859369369
23M23.00 mi1.25 mi3267+37177-1177-13716347347
24M24.00 mi1.00 mi3252+15178-1178-13732399399
40K24.85 mi0.85 mi3250+2180-2180-24048502502
25.2M25.20 mi0.35 mi3260-10182-2182-25335965965
Finish26.22 mi1.02 mi3283-23199-17199-174828799799

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21story building
+97ft-345ft

Overall

3351

Females

166

F45-49

166

5K→10K

3.1 - 6.2 mi

Top 13%
×5story building
+79ft-138ft

Overall

3624

Females

189

F45-49

189

10K→15K

6.2 - 9.3 mi

Top 12%
×3story building
+67ft-78ft

Overall

3351

Females

166

F45-49

166

15K→20K

9.3 - 12.4 mi

Top 13%
×5story building
+106ft-86ft

Overall

3573

Females

185

F45-49

185

20K→Half

12.4 - 13.1 mi

Top 13%
×2story building
+19ft-37ft

Overall

3730

Females

197

F45-49

197

Half→25K

13.1 - 15.5 mi

Top 13%
×4story building
+66ft-88ft

Overall

3748

Females

221

F45-49

221

25K→30K

15.5 - 18.6 mi

Top 13%
×9story building
+181ft-148ft

Overall

3636

Females

255

F45-49

255

30K→20M

18.6 - 20.0 mi

Top 14%
×5story building
+64ft-50ft

Overall

3935

Females

310

F45-49

310

20M→21M

20.0 - 21.0 mi

Top 13%
×8story building
+106ft-24ft

Overall

3807

Females

327

F45-49

327

21M→35K

21.0 - 21.8 mi

Top 14%
×7story building
+17ft-86ft

Overall

3859

Females

369

F45-49

369

35K→23M

21.8 - 23.0 mi

Top 13%
×5story building
+23ft-63ft

Overall

3716

Females

347

F45-49

347

23M→24M

23.0 - 24.0 mi

Top 13%
×6story building
+12ft-82ft

Overall

3732

Females

399

F45-49

399

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

4048

Females

502

F45-49

502

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5335

Females

965

F45-49

965

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2story building
+22ft-21ft

Overall

4828

Females

799

F45-49

799

Passing Analysis

Category:
Athletes Passed
695
Passed By
1439
Net Change
-744
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2539
5K → 10K18552-534#2539#3073
10K → 15K60140-80#3073#3153
15K → 20K65140-75#3153#3228
20K → Half827-19#3228#3247
Half → 25K52113-61#3247#3308
25K → 30K113118-5#3308#3313
30K → 20M6356+7#3313#3306
20M → 21M4752-5#3306#3311
21M → 35K3730+7#3311#3304
35K → 23M7942+37#3304#3267
23M → 24M4833+15#3267#3252
24M → 40K4240+2#3252#3250
40K → 25.2M1929-10#3250#3260
25.2M → Finish4467-23#3260#3283
TOTALS6951439-744

Passing Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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