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BOSTON MARATHON 2025

Seventhia Johnston

Bib: 23515•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:19
Rank: #17749
Start → 5K
8:09/mi
25:19 split
10K· 6.21 mi
50:56
Rank: #17972 (-223)
5K → 10K
8:15/mi
25:37 split
15K· 9.32 mi
1:16:41
Rank: #17949 (+23)
10K → 15K
8:17/mi
25:45 split
20K· 12.43 mi
1:43:07
Rank: #17985 (-36)
15K → 20K
8:30/mi
26:26 split
Half· 13.11 mi
1:48:58
Rank: #18048 (-63)
20K → Half
8:34/mi
5:51 split
25K· 15.53 mi
2:11:00
Rank: #18495 (-447)
Half → 25K
9:05/mi
22:02 split
30K· 18.64 mi
2:42:31
Rank: #19422 (-927)
25K → 30K
10:09/mi
31:31 split
20M
2:57:51
Rank: #20050 (-628)
30K → 20M
11:17/mi
15:20 split
21M
3:10:28
Rank: #20517 (-467)
20M → 21M
12:37/mi
12:37 split
35K· 21.75 mi
3:18:35
Rank: #20713 (-196)
21M → 35K
10:51/mi
8:07 split
23M
3:32:53
Rank: #21050 (-337)
35K → 23M
11:25/mi
14:18 split
24M
3:44:27
Rank: #21324 (-274)
23M → 24M
11:34/mi
11:34 split
40K· 24.85 mi
3:55:35
Rank: #21675 (-351)
24M → 40K
13:01/mi
11:08 split
25.2M
4:00:35
Rank: #21806 (-131)
40K → 25.2M
14:30/mi
5:00 split
Finish· 26.22 mi
4:14:06
Rank: #22236 (-430)
25.2M → Finish
13:16/mi
13:31 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:58
Pace8:19 /mi
2nd Half
Distance13.11 mi
Time2:25:08
Pace11:04 /mi
📊Positive Split: 33.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:5125:198:0925:19
8:09
-
10K
6.21 mi11:49:2850:568:1225:37
8:15
+0:06
15K
9.32 mi12:15:131:16:418:1425:45
8:17
+0:02
20K
12.43 mi12:41:391:43:078:1826:26
8:30
+0:13
Half
13.11 mi12:47:301:48:588:195:51
8:34
+0:04
25K
15.53 mi13:09:322:11:008:2622:02
9:05
+0:31
30K
18.64 mi13:41:032:42:318:4331:31
10:09
+1:04
20M
20.00 mi13:56:232:57:518:5415:20
11:17
+1:08
21M
21.00 mi14:09:003:10:289:0412:37
12:37
+1:20
35K
21.75 mi14:17:073:18:359:088:07
10:51
-1:46
23M
23.00 mi14:31:253:32:539:1514:18
11:25
+0:34
24M
24.00 mi14:42:593:44:279:2111:34
11:34
+0:09
40K
24.85 mi14:54:073:55:359:2911:08
13:01
+1:27
25.2M
25.20 mi14:59:074:00:359:335:00
14:30
+1:29
Finish
26.22 mi15:12:384:14:069:4213:31
13:16
-1:14

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

8:09 /mi

Average Pace

9:42 /mi

Slowest Pace

14:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:00

52% of race

Time at Steady Pace

1:20:50

32% of race

Time at Slower Pace

42:16

17% of race

Average Pace: 9:41 /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 mi11:23:5125:198:0925:19
8:09
#17749
10K
6.21 mi11:49:2850:568:1225:37
8:15
#17972
15K
9.32 mi12:15:131:16:418:1425:45
8:17
#17949
20K
12.43 mi12:41:391:43:078:1826:26
8:30
#17985
Half
13.11 mi12:47:301:48:588:195:51
8:34
#18048
25K
15.53 mi13:09:322:11:008:2622:02
9:05
#18495
30K
18.64 mi13:41:032:42:318:4331:31
10:09
#19422
20M
20.00 mi13:56:232:57:518:5415:20
11:17
#20050
21M
21.00 mi14:09:003:10:289:0412:37
12:37
#20517
35K
21.75 mi14:17:073:18:359:088:07
10:51
#20713
23M
23.00 mi14:31:253:32:539:1514:18
11:25
#21050
24M
24.00 mi14:42:593:44:279:2111:34
11:34
#21324
40K
24.85 mi14:54:073:55:359:2911:08
13:01
#21675
25.2M
25.20 mi14:59:074:00:359:335:00
14:30
#21806
Finish
26.22 mi15:12:384:14:069:4213:31
13:16
#22236
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi177496192619217988(Top 63%)6315(Top 52%)6315(Top 485%)
10K6.21 mi3.10 mi17972-2236310-1186310-11818215(Top 64%)6433(Top 53%)6433(Top 494%)
15K9.32 mi3.11 mi17949+236296+146296+1417988(Top 63%)6315(Top 52%)6315(Top 485%)
20K12.43 mi3.11 mi17985-366328-326328-3218326(Top 65%)6519(Top 53%)6519(Top 500%)
Half13.11 mi0.68 mi18048-636370-426370-4219757(Top 70%)7345(Top 60%)7345(Top 564%)
25K15.53 mi2.42 mi18495-4476638-2686638-26820318(Top 72%)7713(Top 63%)7713(Top 592%)
30K18.64 mi3.11 mi19422-9277198-5607198-56022048(Top 78%)8795(Top 72%)8795(Top 675%)
20M20.00 mi1.36 mi20050-6287576-3787576-37824161(Top 85%)10041(Top 82%)10041(Top 771%)
21M21.00 mi1.00 mi20517-4677864-2887864-28824550(Top 86%)10318(Top 84%)10318(Top 792%)
35K21.75 mi0.75 mi20713-1967979-1157979-11523919(Top 84%)10010(Top 82%)10010(Top 768%)
23M23.00 mi1.25 mi21050-3378189-2108189-21024116(Top 85%)10161(Top 83%)10161(Top 780%)
24M24.00 mi1.00 mi21324-2748358-1698358-16925011(Top 88%)10635(Top 87%)10635(Top 816%)
40K24.85 mi0.85 mi21675-3518587-2298587-22926321(Top 93%)11300(Top 92%)11300(Top 867%)
25.2M25.20 mi0.35 mi21806-1318658-718658-7126754(Top 94%)11541(Top 94%)11541(Top 886%)
Finish26.22 mi1.02 mi22236-4308917-2598917-25927752(Top 98%)11974(Top 98%)11974(Top 919%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21story building
+97ft-345ft

Overall

17988

Females

6315

F50-54

6315

5K→10K

3.1 - 6.2 mi

Top 64%
×5story building
+79ft-138ft

Overall

18215

Females

6433

F50-54

6433

10K→15K

6.2 - 9.3 mi

Top 63%
×3story building
+67ft-78ft

Overall

17988

Females

6315

F50-54

6315

15K→20K

9.3 - 12.4 mi

Top 65%
×5story building
+106ft-86ft

Overall

18326

Females

6519

F50-54

6519

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

19757

Females

7345

F50-54

7345

Half→25K

13.1 - 15.5 mi

Top 72%
×4story building
+66ft-88ft

Overall

20318

Females

7713

F50-54

7713

25K→30K

15.5 - 18.6 mi

Top 78%
×9story building
+181ft-148ft

Overall

22048

Females

8795

F50-54

8795

30K→20M

18.6 - 20.0 mi

Top 85%
×5story building
+64ft-50ft

Overall

24161

Females

10041

F50-54

10041

20M→21M

20.0 - 21.0 mi

Top 86%
×8story building
+106ft-24ft

Overall

24550

Females

10318

F50-54

10318

21M→35K

21.0 - 21.8 mi

Top 84%
×7story building
+17ft-86ft

Overall

23919

Females

10010

F50-54

10010

35K→23M

21.8 - 23.0 mi

Top 85%
×5story building
+23ft-63ft

Overall

24116

Females

10161

F50-54

10161

23M→24M

23.0 - 24.0 mi

Top 88%
×6story building
+12ft-82ft

Overall

25011

Females

10635

F50-54

10635

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

26321

Females

11300

F50-54

11300

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

26754

Females

11541

F50-54

11541

25.2M→Finish

25.2 - 26.2 mi

Top 98%
×2story building
+22ft-21ft

Overall

27752

Females

11974

F50-54

11974

Passing Analysis

Category:
Athletes Passed
841
Passed By
5328
Net Change
-4487
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17749
5K → 10K206429-223#17749#17972
10K → 15K197174+23#17972#17949
15K → 20K182218-36#17949#17985
20K → Half2790-63#17985#18048
Half → 25K66513-447#18048#18495
25K → 30K53980-927#18495#19422
30K → 20M18646-628#19422#20050
20M → 21M14481-467#20050#20517
21M → 35K19215-196#20517#20713
35K → 23M32369-337#20713#21050
23M → 24M7281-274#21050#21324
24M → 40K9360-351#21324#21675
40K → 25.2M4135-131#21675#21806
25.2M → Finish7437-430#21806#22236
TOTALS8415328-4487
📊

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