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BOSTON MARATHON 2025

Emily Meredith

Bib: 15487•F

DC

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 38%
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
7:40/mi
23:50
↑ 97↓ 3451.5%
10K· 6.21 mi
7:44/mi
47:52
↑ 79↓ 1380.4%
15K· 9.32 mi
7:38/mi
1:11:36
↑ 67↓ 78
20K· 12.43 mi
7:50/mi
1:35:57
↑ 106↓ 860.1%
Half· 13.11 mi
7:46/mi
1:41:15
↑ 19↓ 370.5%
25K· 15.53 mi
8:01/mi
2:00:41
↑ 66↓ 880.2%
30K· 18.64 mi
8:26/mi
2:26:54
↑ 181↓ 1480.2%
20M
9:05/mi
2:39:14
↑ 64↓ 500.2%
21M
9:57/mi
2:49:11
↑ 106↓ 241.6%
35K· 21.75 mi
8:09/mi
2:55:17
↑ 17↓ 861.7%
23M
8:44/mi
3:06:13
↑ 23↓ 630.6%
24M
8:52/mi
3:15:05
↓ 821.3%
40K· 24.85 mi
9:16/mi
3:23:00
↓ 200.3%
25.2M
9:37/mi
3:26:19
↑ 13↓ 160.2%
Finish· 26.22 mi
8:50/mi
3:35:19
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:15
Pace7:43 /mi
2nd Half
Distance13.11 mi
Time1:54:04
Pace8:42 /mi
📊Positive Split: 12.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:0323:507:4023:50
7:40
-
10K
6.21 mi11:19:0547:527:4224:02
7:44
+0:04
15K
9.32 mi11:42:491:11:367:4123:44
7:38
-0:06
20K
12.43 mi12:07:101:35:577:4324:21
7:50
+0:12
Half
13.11 mi12:12:281:41:157:435:18
7:46
-0:04
25K
15.53 mi12:31:542:00:417:4619:26
8:01
+0:15
30K
18.64 mi12:58:072:26:547:5326:13
8:26
+0:25
20M
20.00 mi13:10:272:39:147:5812:20
9:05
+0:39
21M
21.00 mi13:20:242:49:118:039:57
9:57
+0:52
35K
21.75 mi13:26:302:55:178:046:06
8:09
-1:48
23M
23.00 mi13:37:263:06:138:0610:56
8:44
+0:35
24M
24.00 mi13:46:183:15:058:088:52
8:52
+0:08
40K
24.85 mi13:54:133:23:008:107:55
9:16
+0:24
25.2M
25.20 mi13:57:323:26:198:113:19
9:37
+0:21
Finish
26.22 mi14:06:323:35:198:139:00
8:50
-0:47

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

7:38 /mi

Average Pace

8:13 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:41

56% of race

Time at Steady Pace

43:15

20% of race

Time at Slower Pace

51:23

24% of race

Average Pace: 8:13 /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 mi10:55:0323:507:4023:50
7:40
#13729
10K
6.21 mi11:19:0547:527:4224:02
7:44
#13939
15K
9.32 mi11:42:491:11:367:4123:44
7:38
#13593
20K
12.43 mi12:07:101:35:577:4324:21
7:50
#13545
Half
13.11 mi12:12:281:41:157:435:18
7:46
#13567
25K
15.53 mi12:31:542:00:417:4619:26
8:01
#13614
30K
18.64 mi12:58:072:26:547:5326:13
8:26
#13717
20M
20.00 mi13:10:272:39:147:5812:20
9:05
#14000
21M
21.00 mi13:20:242:49:118:039:57
9:57
#14327
35K
21.75 mi13:26:302:55:178:046:06
8:09
#14282
23M
23.00 mi13:37:263:06:138:0610:56
8:44
#14318
24M
24.00 mi13:46:183:15:058:088:52
8:52
#14402
40K
24.85 mi13:54:133:23:008:107:55
9:16
#14503
25.2M
25.20 mi13:57:323:26:198:113:19
9:37
#14512
Finish
26.22 mi14:06:323:35:198:139:00
8:50
#14639
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi137293729372912965(Top 46%)3429(Top 28%)3429(Top 63%)
10K6.21 mi3.10 mi13939-2103902-1733902-17314227(Top 50%)4098(Top 34%)4098(Top 75%)
15K9.32 mi3.11 mi13593+3463741+1613741+16112965(Top 46%)3429(Top 28%)3429(Top 63%)
20K12.43 mi3.11 mi13545+483757-163757-1613592(Top 48%)3874(Top 32%)3874(Top 71%)
Half13.11 mi0.68 mi13567-223768-113768-1114084(Top 50%)4117(Top 34%)4117(Top 75%)
25K15.53 mi2.42 mi13614-473827-593827-5914034(Top 49%)4228(Top 35%)4228(Top 77%)
30K18.64 mi3.11 mi13717-1033945-1183945-11814394(Top 51%)4577(Top 37%)4577(Top 84%)
20M20.00 mi1.36 mi14000-2834145-2004145-20017204(Top 61%)6252(Top 51%)6252(Top 114%)
21M21.00 mi1.00 mi14327-3274340-1954340-19518108(Top 64%)6845(Top 56%)6845(Top 125%)
35K21.75 mi0.75 mi14282+454334+64334+613349(Top 47%)4348(Top 36%)4348(Top 80%)
23M23.00 mi1.25 mi14318-364387-534387-5314739(Top 52%)5189(Top 42%)5189(Top 95%)
24M24.00 mi1.00 mi14402-844454-674454-6716675(Top 59%)6300(Top 52%)6300(Top 115%)
40K24.85 mi0.85 mi14503-1014548-944548-9417653(Top 62%)6940(Top 57%)6940(Top 127%)
25.2M25.20 mi0.35 mi14512-94570-224570-2215210(Top 54%)5651(Top 46%)5651(Top 103%)
Finish26.22 mi1.02 mi14639-1274667-974667-9718210(Top 64%)7184(Top 59%)7184(Top 131%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21story building
+97ft-345ft

Overall

12965

Females

3429

F18-39

3429

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

14227

Females

4098

F18-39

4098

10K→15K

6.2 - 9.3 mi

Top 46%
×3story building
+67ft-78ft

Overall

12965

Females

3429

F18-39

3429

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

13592

Females

3874

F18-39

3874

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

14084

Females

4117

F18-39

4117

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

14034

Females

4228

F18-39

4228

25K→30K

15.5 - 18.6 mi

Top 51%
×9story building
+181ft-148ft

Overall

14394

Females

4577

F18-39

4577

30K→20M

18.6 - 20.0 mi

Top 61%
×5story building
+64ft-50ft

Overall

17204

Females

6252

F18-39

6252

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

18108

Females

6845

F18-39

6845

21M→35K

21.0 - 21.8 mi

Top 47%
×7story building
+17ft-86ft

Overall

13349

Females

4348

F18-39

4348

35K→23M

21.8 - 23.0 mi

Top 52%
×5story building
+23ft-63ft

Overall

14739

Females

5189

F18-39

5189

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

16675

Females

6300

F18-39

6300

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

17653

Females

6940

F18-39

6940

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

15210

Females

5651

F18-39

5651

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

18210

Females

7184

F18-39

7184

Passing Analysis

Category:
Athletes Passed
1663
Passed By
2573
Net Change
-910
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13729
5K → 10K202412-210#13729#13939
10K → 15K40761+346#13939#13593
15K → 20K212164+48#13593#13545
20K → Half1941-22#13545#13567
Half → 25K170217-47#13567#13614
25K → 30K215318-103#13614#13717
30K → 20M55338-283#13717#14000
20M → 21M48375-327#14000#14327
21M → 35K8540+45#14327#14282
35K → 23M98134-36#14282#14318
23M → 24M44128-84#14318#14402
24M → 40K45146-101#14402#14503
40K → 25.2M2938-9#14503#14512
25.2M → Finish34161-127#14512#14639
TOTALS16632573-910
📊

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