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BOSTON MARATHON 2025

Lucy Johnston

GA

Bib: 22811 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 48%
Masters (Masters Women)
#0 / 6759
Top 36%
Division (F45-49)
#0 / 1813
Top 44%
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
8:05/mi
25:07
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:11/mi
50:34
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:09/mi
1:15:52
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:15/mi
1:41:29
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:12/mi
1:47:05
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:24/mi
2:07:28
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:56/mi
2:35:12
↑ 181↓ 1480.2%
138 ft elev
20M
9:16/mi
2:47:48
↑ 64↓ 500.2%
148 ft elev
21M
10:23/mi
2:58:11
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:28/mi
3:04:31
↑ 17↓ 861.7%
156 ft elev
23M
8:55/mi
3:15:41
↑ 23↓ 630.6%
116 ft elev
24M
8:35/mi
3:24:16
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:32/mi
3:31:34
↓ 200.3%
20 ft elev
25.2M
9:43/mi
3:34:55
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:06/mi
3:43:10
↑ 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
1:47:058:10 /mi⚡ faster
2nd Half
1:56:058:51 /mi+8.4%
Positive split — 8.4% 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
25:078:053.11 mi25:07
8:05
-
10K
50:348:083.10 mi25:27
8:11
+0:06
15K
1:15:528:083.11 mi25:18
8:09
-0:02
20K
1:41:298:103.11 mi25:37
8:15
+0:06
Half(13.11 mi)
1:47:058:100.68 mi5:36
8:12
-0:03
25K
2:07:288:122.42 mi20:23
8:24
+0:12
30K
2:35:128:203.11 mi27:44
8:56
+0:32
20M
2:47:488:231.36 mi12:36
9:16
+0:20
21M
2:58:118:291.00 mi10:23
10:23
+1:07
35K
3:04:318:290.75 mi6:20
8:28
-1:55
23M
3:15:418:301.25 mi11:10
8:55
+0:27
24M
3:24:168:311.00 mi8:35
8:35
-0:20
40K
3:31:348:310.85 mi7:18
8:32
-0:03
25.2M
3:34:558:320.35 mi3:21
9:43
+1:11
Finish(26.22 mi)
3:43:108:311.02 mi8:15
8:06
-1:37
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:05 /mi

Average Pace

8:31 /mi

Slowest Pace

10:23 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

33:22

15% of race

Time at Steady Pace

2:04:34

56% of race

Time at Slower Pace

1:05:14

29% of race

Average Pace: 8:31 /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

CheckpointSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi17257589258921704957615761
10K3.10 mi17553-2966074-1826074-1821783161986198
15K3.11 mi17358+1955927+1475927+1471704957615761
20K3.11 mi17130+2285820+1075820+1071660755525552
Half(13.11 mi)0.68 mi17128+25825-55825-51736059595959
25K2.42 mi16993+1355758+675758+671662856485648
30K3.11 mi16987+65810-525810-521729361846184
20M1.36 mi17074-875893-835893-831816568056805
21M1.00 mi17265-1916030-1376030-1371965277097709
35K0.75 mi17176+896005+256005+251529754085408
23M1.25 mi17064+1125974+315974+311581057815781
24M1.00 mi16961+1035933+415933+411509754385438
40K0.85 mi16818+1435884+495884+491370948204820
25.2M0.35 mi16792+265889-55889-51574459555955
Finish(26.22 mi)1.02 mi16670+1225828+615828+611360047584758

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

17049

Females

5761

F45-49

5761

5K→10K

3.1 - 6.2 mi

Top 63%
×5story building
+79ft-138ft

Overall

17831

Females

6198

F45-49

6198

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

17049

Females

5761

F45-49

5761

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

16607

Females

5552

F45-49

5552

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

17360

Females

5959

F45-49

5959

Half→25K

13.1 - 15.5 mi

Top 59%
×4story building
+66ft-88ft

Overall

16628

Females

5648

F45-49

5648

25K→30K

15.5 - 18.6 mi

Top 61%
×9story building
+181ft-148ft

Overall

17293

Females

6184

F45-49

6184

30K→20M

18.6 - 20.0 mi

Top 64%
×5story building
+64ft-50ft

Overall

18165

Females

6805

F45-49

6805

20M→21M

20.0 - 21.0 mi

Top 69%
×8story building
+106ft-24ft

Overall

19652

Females

7709

F45-49

7709

21M→35K

21.0 - 21.8 mi

Top 54%
×7story building
+17ft-86ft

Overall

15297

Females

5408

F45-49

5408

35K→23M

21.8 - 23.0 mi

Top 56%
×5story building
+23ft-63ft

Overall

15810

Females

5781

F45-49

5781

23M→24M

23.0 - 24.0 mi

Top 53%
×6story building
+12ft-82ft

Overall

15097

Females

5438

F45-49

5438

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

13709

Females

4820

F45-49

4820

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

15744

Females

5955

F45-49

5955

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2story building
+22ft-21ft

Overall

13600

Females

4758

F45-49

4758

Passing Analysis

Category:
Passed
2157
Passed By
1570
Net Change
+587
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17257
5K → 10K176472-296#17257#17553
10K → 15K312117+195#17553#17358
15K → 20K29769+228#17358#17130
20K → Half3129+2#17130#17128
Half → 25K21883+135#17128#16993
25K → 30K229223+6#16993#16987
30K → 20M64151-87#16987#17074
20M → 21M70261-191#17074#17265
21M → 35K11021+89#17265#17176
35K → 23M16452+112#17176#17064
23M → 24M13330+103#17064#16961
24M → 40K16118+143#16961#16818
40K → 25.2M5125+26#16818#16792
25.2M → Finish14119+122#16792#16670
TOTALS21571570+587

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