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BOSTON MARATHON 2025

Emily Howell

Bib: 20338•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 44%
Masters (Masters Women)
#0 / 6759
Top 30%
Division (F40-44)
#0 / 1718
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
8:02/mi
24:57
↑ 97↓ 3451.5%
10K· 6.21 mi
7:56/mi
49:36
↑ 79↓ 1380.4%
15K· 9.32 mi
8:03/mi
1:14:37
↑ 67↓ 78
20K· 12.43 mi
8:14/mi
1:40:12
↑ 106↓ 860.1%
Half· 13.11 mi
8:08/mi
1:45:45
↑ 19↓ 370.5%
25K· 15.53 mi
8:14/mi
2:05:42
↑ 66↓ 880.2%
30K· 18.64 mi
8:39/mi
2:32:35
↑ 181↓ 1480.2%
20M
8:47/mi
2:44:31
↑ 64↓ 500.2%
21M
9:20/mi
2:53:51
↑ 106↓ 241.6%
35K· 21.75 mi
8:43/mi
3:00:22
↑ 17↓ 861.7%
23M
8:53/mi
3:11:29
↑ 23↓ 630.6%
24M
8:41/mi
3:20:10
↓ 821.3%
40K· 24.85 mi
8:50/mi
3:27:43
↓ 200.3%
25.2M
9:34/mi
3:31:01
↑ 13↓ 160.2%
Finish· 26.22 mi
8:30/mi
3:39:41
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:45
Pace8:04 /mi
2nd Half
Distance13.11 mi
Time1:53:56
Pace8:41 /mi
📊Positive Split: 7.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:4724:578:0224:57
8:02
-
10K
6.21 mi11:42:2649:367:5924:39
7:56
-0:06
15K
9.32 mi12:07:271:14:378:0025:01
8:03
+0:07
20K
12.43 mi12:33:021:40:128:0425:35
8:14
+0:11
Half
13.11 mi12:38:351:45:458:045:33
8:08
-0:06
25K
15.53 mi12:58:322:05:428:0619:57
8:14
+0:06
30K
18.64 mi13:25:252:32:358:1126:53
8:39
+0:25
20M
20.00 mi13:37:212:44:318:1411:56
8:47
+0:08
21M
21.00 mi13:46:412:53:518:179:20
9:20
+0:33
35K
21.75 mi13:53:123:00:228:186:31
8:43
-0:37
23M
23.00 mi14:04:193:11:298:2011:07
8:53
+0:10
24M
24.00 mi14:13:003:20:108:208:41
8:41
-0:12
40K
24.85 mi14:20:333:27:438:217:33
8:50
+0:09
25.2M
25.20 mi14:23:513:31:018:223:18
9:34
+0:44
Finish
26.22 mi14:32:313:39:418:238:40
8:30
-1:04

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

7:56 /mi

Average Pace

8:23 /mi

Slowest Pace

9:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:42

57% of race

Time at Steady Pace

1:10:14

32% of race

Time at Slower Pace

23:45

11% of race

Average Pace: 8:23 /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 mi11:17:4724:578:0224:57
8:02
#16842
10K
6.21 mi11:42:2649:367:5924:39
7:56
#16369
15K
9.32 mi12:07:271:14:378:0025:01
8:03
#16383
20K
12.43 mi12:33:021:40:128:0425:35
8:14
#16403
Half
13.11 mi12:38:351:45:458:045:33
8:08
#16436
25K
15.53 mi12:58:322:05:428:0619:57
8:14
#16267
30K
18.64 mi13:25:252:32:358:1126:53
8:39
#16125
20M
20.00 mi13:37:212:44:318:1411:56
8:47
#16050
21M
21.00 mi13:46:412:53:518:179:20
9:20
#15941
35K
21.75 mi13:53:123:00:228:186:31
8:43
#15934
23M
23.00 mi14:04:193:11:298:2011:07
8:53
#15851
24M
24.00 mi14:13:003:20:108:208:41
8:41
#15836
40K
24.85 mi14:20:333:27:438:217:33
8:50
#15802
25.2M
25.20 mi14:23:513:31:018:223:18
9:34
#15769
Finish
26.22 mi14:32:313:39:418:238:40
8:30
#15789
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi168425651565116438(Top 58%)5402(Top 44%)5402(Top 314%)
10K6.21 mi3.10 mi16369+4735363+2885363+28815958(Top 56%)5100(Top 42%)5100(Top 297%)
15K9.32 mi3.11 mi16383-145366-35366-316438(Top 58%)5402(Top 44%)5402(Top 314%)
20K12.43 mi3.11 mi16403-205378-125378-1216536(Top 58%)5510(Top 45%)5510(Top 321%)
Half13.11 mi0.68 mi16436-335397-195397-1916894(Top 59%)5697(Top 47%)5697(Top 332%)
25K15.53 mi2.42 mi16267+1695322+755322+7515494(Top 55%)5020(Top 41%)5020(Top 292%)
30K18.64 mi3.11 mi16125+1425299+235299+2315729(Top 55%)5300(Top 43%)5300(Top 308%)
20M20.00 mi1.36 mi16050+755296+35296+315573(Top 55%)5342(Top 44%)5342(Top 311%)
21M21.00 mi1.00 mi15941+1095271+255271+2515328(Top 54%)5358(Top 44%)5358(Top 312%)
35K21.75 mi0.75 mi15934+75287-165287-1616765(Top 59%)6189(Top 51%)6189(Top 360%)
23M23.00 mi1.25 mi15851+835282+55282+515569(Top 55%)5647(Top 46%)5647(Top 329%)
24M24.00 mi1.00 mi15836+155287-55287-515650(Top 55%)5716(Top 47%)5716(Top 333%)
40K24.85 mi0.85 mi15802+345292-55292-515373(Top 54%)5730(Top 47%)5730(Top 334%)
25.2M25.20 mi0.35 mi15769+335285+75285+714998(Top 53%)5545(Top 45%)5545(Top 323%)
Finish26.22 mi1.02 mi15789-205326-415326-4116263(Top 57%)6167(Top 50%)6167(Top 359%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

16438

Females

5402

F40-44

5402

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

15958

Females

5100

F40-44

5100

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

16438

Females

5402

F40-44

5402

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

16536

Females

5510

F40-44

5510

20K→Half

12.4 - 13.1 mi

Top 59%
×2story building
+19ft-37ft

Overall

16894

Females

5697

F40-44

5697

Half→25K

13.1 - 15.5 mi

Top 55%
×4story building
+66ft-88ft

Overall

15494

Females

5020

F40-44

5020

25K→30K

15.5 - 18.6 mi

Top 55%
×9story building
+181ft-148ft

Overall

15729

Females

5300

F40-44

5300

30K→20M

18.6 - 20.0 mi

Top 55%
×5story building
+64ft-50ft

Overall

15573

Females

5342

F40-44

5342

20M→21M

20.0 - 21.0 mi

Top 54%
×8story building
+106ft-24ft

Overall

15328

Females

5358

F40-44

5358

21M→35K

21.0 - 21.8 mi

Top 59%
×7story building
+17ft-86ft

Overall

16765

Females

6189

F40-44

6189

35K→23M

21.8 - 23.0 mi

Top 55%
×5story building
+23ft-63ft

Overall

15569

Females

5647

F40-44

5647

23M→24M

23.0 - 24.0 mi

Top 55%
×6story building
+12ft-82ft

Overall

15650

Females

5716

F40-44

5716

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

15373

Females

5730

F40-44

5730

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

14998

Females

5545

F40-44

5545

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2story building
+22ft-21ft

Overall

16263

Females

6167

F40-44

6167

Passing Analysis

Category:
Athletes Passed
2358
Passed By
1305
Net Change
+1053
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16842
5K → 10K590117+473#16842#16369
10K → 15K203217-14#16369#16383
15K → 20K213233-20#16383#16403
20K → Half2255-33#16403#16436
Half → 25K24778+169#16436#16267
25K → 30K282140+142#16267#16125
30K → 20M15176+75#16125#16050
20M → 21M16152+109#16050#15941
21M → 35K7063+7#15941#15934
35K → 23M15168+83#15934#15851
23M → 24M7156+15#15851#15836
24M → 40K9157+34#15836#15802
40K → 25.2M5118+33#15802#15769
25.2M → Finish5575-20#15769#15789
TOTALS23581305+1053
📊

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