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BOSTON MARATHON 2025

Kristie Johnson

PA

Bib: 18450 F

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 46%
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:44/mi
24:02
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:33/mi
50:35
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:51/mi
1:14:59
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:18/mi
1:40:47
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:12/mi
1:46:23
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:32/mi
2:07:05
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:56/mi
2:34:49
↑ 181↓ 1480.2%
138 ft elev
20M
9:05/mi
2:47:09
↑ 64↓ 500.2%
148 ft elev
21M
9:51/mi
2:57:00
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:15/mi
3:03:10
↑ 17↓ 861.7%
156 ft elev
23M
8:35/mi
3:13:55
↑ 23↓ 630.6%
116 ft elev
24M
8:08/mi
3:22:03
↓ 821.3%
34 ft elev
40K· 24.85 mi
11:09/mi
3:31:35
↓ 200.3%
20 ft elev
25.2M
8:56/mi
3:34:40
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:21/mi
3:42:09
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:46:238:07 /mi⚡ faster
2nd Half
1:55:468:50 /mi+8.8%
Positive split — 8.8% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
24:027:443.11 mi24:02
7:44
-
10K
50:358:083.10 mi26:33
8:33
+0:49
15K
1:14:598:033.11 mi24:24
7:51
-0:42
20K
1:40:478:073.11 mi25:48
8:18
+0:27
Half(13.11 mi)
1:46:238:070.68 mi5:36
8:12
-0:06
25K
2:07:058:112.42 mi20:42
8:32
+0:20
30K
2:34:498:183.11 mi27:44
8:56
+0:24
20M
2:47:098:211.36 mi12:20
9:05
+0:09
21M
2:57:008:261.00 mi9:51
9:51
+0:46
35K
3:03:108:250.75 mi6:10
8:15
-1:36
23M
3:13:558:261.25 mi10:45
8:35
+0:20
24M
3:22:038:251.00 mi8:08
8:08
-0:27
40K
3:31:358:310.85 mi9:32
11:09
+3:01
25.2M
3:34:408:310.35 mi3:05
8:56
-2:13
Finish(26.22 mi)
3:42:098:291.02 mi7:29
7:21
-1:35
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:21 /mi

Average Pace

8:29 /mi

Slowest Pace

11:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

55:55

25% of race

Time at Steady Pace

2:14:31

61% of race

Time at Slower Pace

31:43

14% of race

Average Pace: 8:28 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi14278408840881486445104510
10K6.21 mi3.10 mi17578-33006084-19966084-19962006674987498
15K9.32 mi3.11 mi16677+9015531+5535531+5531486445104510
20K12.43 mi3.11 mi16757-805593-625593-621696257555755
Half13.11 mi0.68 mi16772-155600-75600-71735459535953
25K15.53 mi2.42 mi16844-725671-715671-711741460896089
30K18.64 mi3.11 mi16864-205733-625733-621729161826182
20M20.00 mi1.36 mi16872-85765-325765-321720862566256
21M21.00 mi1.00 mi16881-95796-315796-311770266356635
35K21.75 mi0.75 mi16764+1175752+445752+441395346654665
23M23.00 mi1.25 mi16543+2215662+905662+901386847404740
24M24.00 mi1.00 mi16327+2165564+985564+981218639023902
40K24.85 mi0.85 mi16826-4995888-3245888-3242346399239923
25.2M25.20 mi0.35 mi16735+915849+395849+391158038173817
Finish26.22 mi1.02 mi16398+3375664+1855664+185813121392139

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

14864

Females

4510

F18-39

4510

5K→10K

3.1 - 6.2 mi

Top 71%
×5story building
+79ft-138ft

Overall

20066

Females

7498

F18-39

7498

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

14864

Females

4510

F18-39

4510

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

16962

Females

5755

F18-39

5755

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

17354

Females

5953

F18-39

5953

Half→25K

13.1 - 15.5 mi

Top 61%
×4story building
+66ft-88ft

Overall

17414

Females

6089

F18-39

6089

25K→30K

15.5 - 18.6 mi

Top 61%
×9story building
+181ft-148ft

Overall

17291

Females

6182

F18-39

6182

30K→20M

18.6 - 20.0 mi

Top 61%
×5story building
+64ft-50ft

Overall

17208

Females

6256

F18-39

6256

20M→21M

20.0 - 21.0 mi

Top 62%
×8story building
+106ft-24ft

Overall

17702

Females

6635

F18-39

6635

21M→35K

21.0 - 21.8 mi

Top 49%
×7story building
+17ft-86ft

Overall

13953

Females

4665

F18-39

4665

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

13868

Females

4740

F18-39

4740

23M→24M

23.0 - 24.0 mi

Top 43%
×6story building
+12ft-82ft

Overall

12186

Females

3902

F18-39

3902

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

23463

Females

9923

F18-39

9923

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11580

Females

3817

F18-39

3817

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2story building
+22ft-21ft

Overall

8131

Females

2139

F18-39

2139

Passing Analysis

Category:
Athletes Passed
2703
Passed By
4823
Net Change
-2120
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14278
5K → 10K73307-3300#14278#17578
10K → 15K9087+901#17578#16677
15K → 20K174254-80#16677#16757
20K → Half3550-15#16757#16772
Half → 25K130202-72#16772#16844
25K → 30K210230-20#16844#16864
30K → 20M100108-8#16864#16872
20M → 21M115124-9#16872#16881
21M → 35K1247+117#16881#16764
35K → 23M23514+221#16764#16543
23M → 24M2259+216#16543#16327
24M → 40K11510-499#16327#16826
40K → 25.2M921+91#16826#16735
25.2M → Finish3370+337#16735#16398
TOTALS27034823-2120

Passing Charts

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