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BOSTON MARATHON 2025

Katherine Henry

Bib: 22410•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 48%
Division (F50-54)
#0 / 1303
Top 45%
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
8:15/mi
25:39
↑ 97↓ 3451.5%
10K· 6.21 mi
8:13/mi
51:12
↑ 79↓ 1380.4%
15K· 9.32 mi
8:19/mi
1:17:01
↑ 67↓ 78
20K· 12.43 mi
8:29/mi
1:43:22
↑ 106↓ 860.1%
Half· 13.11 mi
8:29/mi
1:49:09
↑ 19↓ 370.5%
25K· 15.53 mi
8:59/mi
2:10:57
↑ 66↓ 880.2%
30K· 18.64 mi
9:28/mi
2:40:23
↑ 181↓ 1480.2%
20M
9:25/mi
2:53:11
↑ 64↓ 500.2%
21M
10:20/mi
3:03:31
↑ 106↓ 241.6%
35K· 21.75 mi
8:48/mi
3:10:06
↑ 17↓ 861.7%
23M
9:23/mi
3:21:51
↑ 23↓ 630.6%
24M
9:10/mi
3:31:01
↓ 821.3%
40K· 24.85 mi
9:17/mi
3:38:57
↓ 200.3%
25.2M
10:21/mi
3:42:31
↑ 13↓ 160.2%
Finish· 26.22 mi
9:04/mi
3:51:45
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:09
Pace8:20 /mi
2nd Half
Distance13.11 mi
Time2:02:36
Pace9:21 /mi
📊Positive Split: 12.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:0525:398:1525:39
8:15
-
10K
6.21 mi11:47:3851:128:1425:33
8:13
-0:02
15K
9.32 mi12:13:271:17:018:1625:49
8:19
+0:06
20K
12.43 mi12:39:481:43:228:1926:21
8:29
+0:10
Half
13.11 mi12:45:351:49:098:205:47
8:29
0:00
25K
15.53 mi13:07:232:10:578:2621:48
8:59
+0:30
30K
18.64 mi13:36:492:40:238:3629:26
9:28
+0:29
20M
20.00 mi13:49:372:53:118:4012:48
9:25
-0:03
21M
21.00 mi13:59:573:03:318:4410:20
10:20
+0:55
35K
21.75 mi14:06:323:10:068:446:35
8:48
-1:32
23M
23.00 mi14:18:173:21:518:4711:45
9:23
+0:35
24M
24.00 mi14:27:273:31:018:489:10
9:10
-0:13
40K
24.85 mi14:35:233:38:578:497:56
9:17
+0:07
25.2M
25.20 mi14:38:573:42:318:503:34
10:21
+1:04
Finish
26.22 mi14:48:113:51:458:519:14
9:04
-1:17

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

8:13 /mi

Average Pace

8:51 /mi

Slowest Pace

10:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:09

47% of race

Time at Steady Pace

1:06:28

29% of race

Time at Slower Pace

56:08

24% of race

Average Pace: 8:50 /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 mi11:22:0525:398:1525:39
8:15
#18465
10K
6.21 mi11:47:3851:128:1425:33
8:13
#18240
15K
9.32 mi12:13:271:17:018:1625:49
8:19
#18174
20K
12.43 mi12:39:481:43:228:1926:21
8:29
#18115
Half
13.11 mi12:45:351:49:098:205:47
8:29
#18137
25K
15.53 mi13:07:232:10:578:2621:48
8:59
#18471
30K
18.64 mi13:36:492:40:238:3629:26
9:28
#18785
20M
20.00 mi13:49:372:53:118:4012:48
9:25
#18788
21M
21.00 mi13:59:573:03:318:4410:20
10:20
#18842
35K
21.75 mi14:06:323:10:068:446:35
8:48
#18783
23M
23.00 mi14:18:173:21:518:4711:45
9:23
#18736
24M
24.00 mi14:27:273:31:018:489:10
9:10
#18726
40K
24.85 mi14:35:233:38:578:497:56
9:17
#18677
25.2M
25.20 mi14:38:573:42:318:503:34
10:21
#18669
Finish
26.22 mi14:48:113:51:458:519:14
9:04
#18694
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi184656616661618138(Top 64%)6406(Top 52%)6406(Top 492%)
10K6.21 mi3.10 mi18240+2256476+1406476+14018080(Top 64%)6349(Top 52%)6349(Top 487%)
15K9.32 mi3.11 mi18174+666433+436433+4318138(Top 64%)6406(Top 52%)6406(Top 492%)
20K12.43 mi3.11 mi18115+596407+266407+2618120(Top 64%)6410(Top 52%)6410(Top 492%)
Half13.11 mi0.68 mi18137-226424-176424-1719103(Top 67%)6962(Top 57%)6962(Top 534%)
25K15.53 mi2.42 mi18471-3346622-1986622-19819855(Top 70%)7451(Top 61%)7451(Top 572%)
30K18.64 mi3.11 mi18785-3146817-1956817-19519841(Top 70%)7570(Top 62%)7570(Top 581%)
20M20.00 mi1.36 mi18788-36854-376854-3718838(Top 66%)7178(Top 59%)7178(Top 551%)
21M21.00 mi1.00 mi18842-546911-576911-5719497(Top 69%)7614(Top 62%)7614(Top 584%)
35K21.75 mi0.75 mi18783+596899+126899+1217287(Top 61%)6522(Top 53%)6522(Top 501%)
23M23.00 mi1.25 mi18736+476900-16900-118184(Top 64%)7074(Top 58%)7074(Top 543%)
24M24.00 mi1.00 mi18726+106920-206920-2018207(Top 64%)7146(Top 58%)7146(Top 548%)
40K24.85 mi0.85 mi18677+496919+16919+117774(Top 63%)7016(Top 57%)7016(Top 538%)
25.2M25.20 mi0.35 mi18669+86932-136932-1318480(Top 65%)7369(Top 60%)7369(Top 566%)
Finish26.22 mi1.02 mi18694-256957-256957-2519346(Top 68%)7778(Top 64%)7778(Top 597%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21story building
+97ft-345ft

Overall

18138

Females

6406

F50-54

6406

5K→10K

3.1 - 6.2 mi

Top 64%
×5story building
+79ft-138ft

Overall

18080

Females

6349

F50-54

6349

10K→15K

6.2 - 9.3 mi

Top 64%
×3story building
+67ft-78ft

Overall

18138

Females

6406

F50-54

6406

15K→20K

9.3 - 12.4 mi

Top 64%
×5story building
+106ft-86ft

Overall

18120

Females

6410

F50-54

6410

20K→Half

12.4 - 13.1 mi

Top 67%
×2story building
+19ft-37ft

Overall

19103

Females

6962

F50-54

6962

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

19855

Females

7451

F50-54

7451

25K→30K

15.5 - 18.6 mi

Top 70%
×9story building
+181ft-148ft

Overall

19841

Females

7570

F50-54

7570

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

18838

Females

7178

F50-54

7178

20M→21M

20.0 - 21.0 mi

Top 69%
×8story building
+106ft-24ft

Overall

19497

Females

7614

F50-54

7614

21M→35K

21.0 - 21.8 mi

Top 61%
×7story building
+17ft-86ft

Overall

17287

Females

6522

F50-54

6522

35K→23M

21.8 - 23.0 mi

Top 64%
×5story building
+23ft-63ft

Overall

18184

Females

7074

F50-54

7074

23M→24M

23.0 - 24.0 mi

Top 64%
×6story building
+12ft-82ft

Overall

18207

Females

7146

F50-54

7146

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

17774

Females

7016

F50-54

7016

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

18480

Females

7369

F50-54

7369

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2story building
+22ft-21ft

Overall

19346

Females

7778

F50-54

7778

Passing Analysis

Category:
Athletes Passed
1734
Passed By
1963
Net Change
-229
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18465
5K → 10K392167+225#18465#18240
10K → 15K214148+66#18240#18174
15K → 20K213154+59#18174#18115
20K → Half3254-22#18115#18137
Half → 25K78412-334#18137#18471
25K → 30K150464-314#18471#18785
30K → 20M104107-3#18785#18788
20M → 21M90144-54#18788#18842
21M → 35K8425+59#18842#18783
35K → 23M12477+47#18783#18736
23M → 24M7161+10#18736#18726
24M → 40K9142+49#18726#18677
40K → 25.2M4133+8#18677#18669
25.2M → Finish5075-25#18669#18694
TOTALS17341963-229
📊

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