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BOSTON MARATHON 2025

Emily Reid

Bib: 12986•F

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0:00
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Overall
#0 / 28404
Top 28%
Gender (Female)
#0 / 12228
Top 11%
Division (F18-39)
#0 / 5469
Top 21%
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
6:55/mi
21:29
↑ 97↓ 3451.5%
10K· 6.21 mi
7:01/mi
43:17
↑ 79↓ 1380.4%
15K· 9.32 mi
7:09/mi
1:05:30
↑ 67↓ 78
20K· 12.43 mi
7:39/mi
1:29:16
↑ 106↓ 860.1%
Half· 13.11 mi
7:26/mi
1:34:20
↑ 19↓ 370.5%
25K· 15.53 mi
7:24/mi
1:52:16
↑ 66↓ 880.2%
30K· 18.64 mi
7:42/mi
2:16:10
↑ 181↓ 1480.2%
20M
7:43/mi
2:26:39
↑ 64↓ 500.2%
21M
8:23/mi
2:35:02
↑ 106↓ 241.6%
35K· 21.75 mi
7:29/mi
2:40:38
↑ 17↓ 861.7%
23M
7:32/mi
2:50:04
↑ 23↓ 630.6%
24M
7:19/mi
2:57:23
↓ 821.3%
40K· 24.85 mi
7:20/mi
3:03:39
↓ 200.3%
25.2M
8:01/mi
3:06:25
↑ 13↓ 160.2%
Finish· 26.22 mi
7:02/mi
3:13:35
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:20
Pace7:12 /mi
2nd Half
Distance13.11 mi
Time1:39:15
Pace7:34 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:5121:296:5521:29
6:55
-
10K
6.21 mi11:12:3943:176:5821:48
7:01
+0:06
15K
9.32 mi11:34:521:05:307:0222:13
7:09
+0:08
20K
12.43 mi11:58:381:29:167:1123:46
7:39
+0:30
Half
13.11 mi12:03:421:34:207:125:04
7:26
-0:13
25K
15.53 mi12:21:381:52:167:1417:56
7:24
-0:02
30K
18.64 mi12:45:322:16:107:1823:54
7:42
+0:18
20M
20.00 mi12:56:012:26:397:2010:29
7:43
+0:01
21M
21.00 mi13:04:242:35:027:238:23
8:23
+0:40
35K
21.75 mi13:10:002:40:387:235:36
7:29
-0:54
23M
23.00 mi13:19:262:50:047:249:26
7:32
+0:03
24M
24.00 mi13:26:452:57:237:237:19
7:19
-0:13
40K
24.85 mi13:33:013:03:397:236:16
7:20
+0:01
25.2M
25.20 mi13:35:473:06:257:242:46
8:01
+0:41
Finish
26.22 mi13:42:573:13:357:237:10
7:02
-0:59

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

6:55 /mi

Average Pace

7:23 /mi

Slowest Pace

8:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:12:40

38% of race

Time at Steady Pace

51:37

27% of race

Time at Slower Pace

1:09:18

36% of race

Average Pace: 7:23 /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 mi10:50:5121:296:5521:29
6:55
#7201
10K
6.21 mi11:12:3943:176:5821:48
7:01
#7637
15K
9.32 mi11:34:521:05:307:0222:13
7:09
#7959
20K
12.43 mi11:58:381:29:167:1123:46
7:39
#8830
Half
13.11 mi12:03:421:34:207:125:04
7:26
#8943
25K
15.53 mi12:21:381:52:167:1417:56
7:24
#8929
30K
18.64 mi12:45:322:16:107:1823:54
7:42
#8881
20M
20.00 mi12:56:012:26:397:2010:29
7:43
#8809
21M
21.00 mi13:04:242:35:027:238:23
8:23
#8822
35K
21.75 mi13:10:002:40:387:235:36
7:29
#8797
23M
23.00 mi13:19:262:50:047:249:26
7:32
#8580
24M
24.00 mi13:26:452:57:237:237:19
7:19
#8439
40K
24.85 mi13:33:013:03:397:236:16
7:20
#8272
25.2M
25.20 mi13:35:473:06:257:242:46
8:01
#8226
Finish
26.22 mi13:42:573:13:357:237:10
7:02
#8093
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi72017387388722(Top 31%)1313(Top 11%)1313(Top 24%)
10K6.21 mi3.10 mi7637-436869-131869-1318047(Top 28%)1026(Top 8%)1026(Top 19%)
15K9.32 mi3.11 mi7959-322987-118987-1188722(Top 31%)1313(Top 11%)1313(Top 24%)
20K12.43 mi3.11 mi8830-8711346-3591346-35911950(Top 42%)2962(Top 24%)2962(Top 54%)
Half13.11 mi0.68 mi8943-1131392-461392-4611113(Top 39%)2454(Top 20%)2454(Top 45%)
25K15.53 mi2.42 mi8929+141417-251417-259130(Top 32%)1686(Top 14%)1686(Top 31%)
30K18.64 mi3.11 mi8881+481459-421459-429150(Top 32%)1900(Top 16%)1900(Top 35%)
20M20.00 mi1.36 mi8809+721463-41463-48460(Top 30%)1729(Top 14%)1729(Top 32%)
21M21.00 mi1.00 mi8822-131496-331496-339758(Top 34%)2487(Top 20%)2487(Top 45%)
35K21.75 mi0.75 mi8797+251507-111507-118534(Top 30%)1900(Top 16%)1900(Top 35%)
23M23.00 mi1.25 mi8580+2171466+411466+416846(Top 24%)1329(Top 11%)1329(Top 24%)
24M24.00 mi1.00 mi8439+1411445+211445+216539(Top 23%)1273(Top 10%)1273(Top 23%)
40K24.85 mi0.85 mi8272+1671410+351410+355851(Top 21%)1083(Top 9%)1083(Top 20%)
25.2M25.20 mi0.35 mi8226+461406+41406+46146(Top 22%)1304(Top 11%)1304(Top 24%)
Finish26.22 mi1.02 mi8093+1331389+171389+175984(Top 21%)1247(Top 10%)1247(Top 23%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21story building
+97ft-345ft

Overall

8722

Females

1313

F18-39

1313

5K→10K

3.1 - 6.2 mi

Top 28%
×5story building
+79ft-138ft

Overall

8047

Females

1026

F18-39

1026

10K→15K

6.2 - 9.3 mi

Top 31%
×3story building
+67ft-78ft

Overall

8722

Females

1313

F18-39

1313

15K→20K

9.3 - 12.4 mi

Top 42%
×5story building
+106ft-86ft

Overall

11950

Females

2962

F18-39

2962

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

11113

Females

2454

F18-39

2454

Half→25K

13.1 - 15.5 mi

Top 32%
×4story building
+66ft-88ft

Overall

9130

Females

1686

F18-39

1686

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

9150

Females

1900

F18-39

1900

30K→20M

18.6 - 20.0 mi

Top 30%
×5story building
+64ft-50ft

Overall

8460

Females

1729

F18-39

1729

20M→21M

20.0 - 21.0 mi

Top 34%
×8story building
+106ft-24ft

Overall

9758

Females

2487

F18-39

2487

21M→35K

21.0 - 21.8 mi

Top 30%
×7story building
+17ft-86ft

Overall

8534

Females

1900

F18-39

1900

35K→23M

21.8 - 23.0 mi

Top 24%
×5story building
+23ft-63ft

Overall

6846

Females

1329

F18-39

1329

23M→24M

23.0 - 24.0 mi

Top 23%
×6story building
+12ft-82ft

Overall

6539

Females

1273

F18-39

1273

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5851

Females

1083

F18-39

1083

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

6146

Females

1304

F18-39

1304

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2story building
+22ft-21ft

Overall

5984

Females

1247

F18-39

1247

Passing Analysis

Category:
Athletes Passed
1627
Passed By
2519
Net Change
-892
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7201
5K → 10K77513-436#7201#7637
10K → 15K56378-322#7637#7959
15K → 20K29900-871#7959#8830
20K → Half6119-113#8830#8943
Half → 25K160146+14#8943#8929
25K → 30K241193+48#8929#8881
30K → 20M13159+72#8881#8809
20M → 21M94107-13#8809#8822
21M → 35K6237+25#8822#8797
35K → 23M23720+217#8797#8580
23M → 24M15918+141#8580#8439
24M → 40K1736+167#8439#8272
40K → 25.2M537+46#8272#8226
25.2M → Finish14916+133#8226#8093
TOTALS16272519-892
📊

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