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BOSTON MARATHON 2025

Emily Flynn

Bib: 16614•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
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
10:14/mi
31:47
↑ 97↓ 3451.5%
10K· 6.21 mi
10:15/mi
1:03:39
↑ 79↓ 1380.4%
15K· 9.32 mi
10:10/mi
1:35:14
↑ 67↓ 78
20K· 12.43 mi
10:19/mi
2:07:17
↑ 106↓ 860.1%
Half· 13.11 mi
10:11/mi
2:14:14
↑ 19↓ 370.5%
25K· 15.53 mi
10:20/mi
2:39:18
↑ 66↓ 880.2%
30K· 18.64 mi
10:44/mi
3:12:40
↑ 181↓ 1480.2%
20M
10:55/mi
3:27:30
↑ 64↓ 500.2%
21M
11:22/mi
3:38:52
↑ 106↓ 241.6%
35K· 21.75 mi
10:50/mi
3:46:58
↑ 17↓ 861.7%
23M
10:52/mi
4:00:34
↑ 23↓ 630.6%
24M
10:37/mi
4:11:11
↓ 821.3%
40K· 24.85 mi
10:37/mi
4:20:16
↓ 200.3%
25.2M
11:27/mi
4:24:13
↑ 13↓ 160.2%
Finish· 26.22 mi
9:49/mi
4:34:13
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:14:14
Pace10:14 /mi
2nd Half
Distance13.11 mi
Time2:19:59
Pace10:41 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:05:5531:4710:1431:47
10:14
-
10K
6.21 mi11:37:471:03:3910:1531:52
10:15
+0:01
15K
9.32 mi12:09:221:35:1410:1331:35
10:10
-0:05
20K
12.43 mi12:41:252:07:1710:1532:03
10:19
+0:09
Half
13.11 mi12:48:222:14:1410:146:57
10:11
-0:08
25K
15.53 mi13:13:262:39:1810:1525:04
10:20
+0:09
30K
18.64 mi13:46:483:12:4010:2033:22
10:44
+0:24
20M
20.00 mi14:01:383:27:3010:2214:50
10:55
+0:11
21M
21.00 mi14:13:003:38:5210:2511:22
11:22
+0:27
35K
21.75 mi14:21:063:46:5810:268:06
10:50
-0:32
23M
23.00 mi14:34:424:00:3410:2813:36
10:52
+0:02
24M
24.00 mi14:45:194:11:1110:2810:37
10:37
-0:15
40K
24.85 mi14:54:244:20:1610:289:05
10:37
0:00
25.2M
25.20 mi14:58:214:24:1310:293:57
11:27
+0:50
Finish
26.22 mi15:08:214:34:1310:2810:00
9:49
-1:38

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

9:49 /mi

Average Pace

10:28 /mi

Slowest Pace

11:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:42:22

81% of race

Time at Steady Pace

51:51

19% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:27 /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 mi11:05:5531:4710:1431:47
10:14
#26147
10K
6.21 mi11:37:471:03:3910:1531:52
10:15
#26000
15K
9.32 mi12:09:221:35:1410:1331:35
10:10
#25763
20K
12.43 mi12:41:252:07:1710:1532:03
10:19
#25509
Half
13.11 mi12:48:222:14:1410:146:57
10:11
#25489
25K
15.53 mi13:13:262:39:1810:1525:04
10:20
#25235
30K
18.64 mi13:46:483:12:4010:2033:22
10:44
#24943
20M
20.00 mi14:01:383:27:3010:2214:50
10:55
#24839
21M
21.00 mi14:13:003:38:5210:2511:22
11:22
#24719
35K
21.75 mi14:21:063:46:5810:268:06
10:50
#24702
23M
23.00 mi14:34:424:00:3410:2813:36
10:52
#24620
24M
24.00 mi14:45:194:11:1110:2810:37
10:37
#24558
40K
24.85 mi14:54:244:20:1610:289:05
10:37
#24485
25.2M
25.20 mi14:58:214:24:1310:293:57
11:27
#24457
Finish
26.22 mi15:08:214:34:1310:2810:00
9:49
#24385
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26147108381083825349(Top 89%)10428(Top 85%)10428(Top 191%)
10K6.21 mi3.10 mi26000+14710778+6010778+6025845(Top 91%)10709(Top 88%)10709(Top 196%)
15K9.32 mi3.11 mi25763+23710644+13410644+13425349(Top 89%)10428(Top 85%)10428(Top 191%)
20K12.43 mi3.11 mi25509+25410515+12910515+12924863(Top 88%)10185(Top 83%)10185(Top 186%)
Half13.11 mi0.68 mi25489+2010503+1210503+1225241(Top 89%)10397(Top 85%)10397(Top 190%)
25K15.53 mi2.42 mi25235+25410380+12310380+12324053(Top 85%)9771(Top 80%)9771(Top 179%)
30K18.64 mi3.11 mi24943+29210246+13410246+13423484(Top 83%)9598(Top 78%)9598(Top 175%)
20M20.00 mi1.36 mi24839+10410207+3910207+3923436(Top 83%)9647(Top 79%)9647(Top 176%)
21M21.00 mi1.00 mi24719+12010149+5810149+5822329(Top 79%)9158(Top 75%)9158(Top 167%)
35K21.75 mi0.75 mi24702+17101491014923888(Top 84%)9991(Top 82%)9991(Top 183%)
23M23.00 mi1.25 mi24620+8210126+2310126+2322926(Top 81%)9565(Top 78%)9565(Top 175%)
24M24.00 mi1.00 mi24558+6210106+2010106+2023131(Top 81%)9701(Top 79%)9701(Top 177%)
40K24.85 mi0.85 mi24485+7310073+3310073+3322268(Top 78%)9349(Top 76%)9349(Top 171%)
25.2M25.20 mi0.35 mi24457+2810060+1310060+1321984(Top 77%)9156(Top 75%)9156(Top 167%)
Finish26.22 mi1.02 mi24385+7210040+2010040+2022347(Top 79%)9352(Top 76%)9352(Top 171%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

25349

Females

10428

F18-39

10428

5K→10K

3.1 - 6.2 mi

Top 91%
×5story building
+79ft-138ft

Overall

25845

Females

10709

F18-39

10709

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

25349

Females

10428

F18-39

10428

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

24863

Females

10185

F18-39

10185

20K→Half

12.4 - 13.1 mi

Top 89%
×2story building
+19ft-37ft

Overall

25241

Females

10397

F18-39

10397

Half→25K

13.1 - 15.5 mi

Top 85%
×4story building
+66ft-88ft

Overall

24053

Females

9771

F18-39

9771

25K→30K

15.5 - 18.6 mi

Top 83%
×9story building
+181ft-148ft

Overall

23484

Females

9598

F18-39

9598

30K→20M

18.6 - 20.0 mi

Top 83%
×5story building
+64ft-50ft

Overall

23436

Females

9647

F18-39

9647

20M→21M

20.0 - 21.0 mi

Top 79%
×8story building
+106ft-24ft

Overall

22329

Females

9158

F18-39

9158

21M→35K

21.0 - 21.8 mi

Top 84%
×7story building
+17ft-86ft

Overall

23888

Females

9991

F18-39

9991

35K→23M

21.8 - 23.0 mi

Top 81%
×5story building
+23ft-63ft

Overall

22926

Females

9565

F18-39

9565

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

23131

Females

9701

F18-39

9701

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22268

Females

9349

F18-39

9349

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

21984

Females

9156

F18-39

9156

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

22347

Females

9352

F18-39

9352

Passing Analysis

Category:
Athletes Passed
2037
Passed By
275
Net Change
+1762
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26147
5K → 10K254107+147#26147#26000
10K → 15K26730+237#26000#25763
15K → 20K27622+254#25763#25509
20K → Half244+20#25509#25489
Half → 25K2628+254#25489#25235
25K → 30K30715+292#25235#24943
30K → 20M11511+104#24943#24839
20M → 21M1277+120#24839#24719
21M → 35K3720+17#24719#24702
35K → 23M10119+82#24702#24620
23M → 24M7513+62#24620#24558
24M → 40K807+73#24558#24485
40K → 25.2M324+28#24485#24457
25.2M → Finish808+72#24457#24385
TOTALS2037275+1762
📊

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