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BOSTON MARATHON 2025

Kyle Kirchhoff

Bib: 11276•M

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 44%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 46%
Division (M55-59)
#0 / 1648
Top 32%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:26
Rank: #12612
Start → 5K
23:26 | 7:33/mi
10K· 6.21 mi
46:59
Rank: #12666 (-54)
5K → 10K
23:33 | 7:35/mi
15K· 9.32 mi
1:10:41
Rank: #12718 (-52)
10K → 15K
23:42 | 7:38/mi
20K· 12.43 mi
1:34:41
Rank: #12647 (+71)
15K → 20K
24:00 | 7:43/mi
Half· 13.11 mi
1:39:57
Rank: #12699 (-52)
20K → Half
5:16 | 7:43/mi
25K· 15.53 mi
1:58:49
Rank: #12580 (+119)
Half → 25K
18:52 | 7:47/mi
30K· 18.64 mi
2:24:12
Rank: #12543 (+37)
25K → 30K
25:23 | 8:10/mi
20M
2:35:39
Rank: #12581 (-38)
30K → 20M
11:27 | 8:26/mi
21M
2:44:41
Rank: #12635 (-54)
20M → 21M
9:02 | 9:02/mi
35K· 21.75 mi
2:50:44
Rank: #12623 (+12)
21M → 35K
6:03 | 8:05/mi
23M
3:01:11
Rank: #12582 (+41)
35K → 23M
10:27 | 8:21/mi
24M
3:09:11
Rank: #12497 (+85)
23M → 24M
8:00 | 8:00/mi
40K· 24.85 mi
3:16:04
Rank: #12394 (+103)
24M → 40K
6:53 | 8:03/mi
25.2M
3:19:19
Rank: #12415 (-21)
40K → 25.2M
3:15 | 9:25/mi
Finish· 26.22 mi
3:27:20
Rank: #12381 (+34)
25.2M → Finish
8:01 | 7:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:57
Pace7:37 /mi
2nd Half
Distance13.11 mi
Time1:47:23
Pace8:11 /mi
📊Positive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:2623:267:3323:26
7:33
-
10K
6.21 mi11:13:5946:597:3423:33
7:35
+0:02
15K
9.32 mi11:37:411:10:417:3523:42
7:38
+0:03
20K
12.43 mi12:01:411:34:417:3724:00
7:43
+0:05
Half
13.11 mi12:06:571:39:577:375:16
7:43
0:00
25K
15.53 mi12:25:491:58:497:3918:52
7:47
+0:04
30K
18.64 mi12:51:122:24:127:4425:23
8:10
+0:23
20M
20.00 mi13:02:392:35:397:4711:27
8:26
+0:16
21M
21.00 mi13:11:412:44:417:519:02
9:02
+0:36
35K
21.75 mi13:17:442:50:447:516:03
8:05
-0:57
23M
23.00 mi13:28:113:01:117:5310:27
8:21
+0:16
24M
24.00 mi13:36:113:09:117:538:00
8:00
-0:21
40K
24.85 mi13:43:043:16:047:536:53
8:03
+0:03
25.2M
25.20 mi13:46:193:19:197:553:15
9:25
+1:22
Finish
26.22 mi13:54:203:27:207:558:01
7:52
-1:33

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

7:33 /mi

Average Pace

7:55 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:57

48% of race

Time at Steady Pace

1:13:12

35% of race

Time at Slower Pace

34:11

16% of race

Average Pace: 7:54 /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 mi10:50:2623:267:3323:26
7:33
#12612
10K
6.21 mi11:13:5946:597:3423:33
7:35
#12666
15K
9.32 mi11:37:411:10:417:3523:42
7:38
#12718
20K
12.43 mi12:01:411:34:417:3724:00
7:43
#12647
Half
13.11 mi12:06:571:39:577:375:16
7:43
#12699
25K
15.53 mi12:25:491:58:497:3918:52
7:47
#12580
30K
18.64 mi12:51:122:24:127:4425:23
8:10
#12543
20M
20.00 mi13:02:392:35:397:4711:27
8:26
#12581
21M
21.00 mi13:11:412:44:417:519:02
9:02
#12635
35K
21.75 mi13:17:442:50:447:516:03
8:05
#12623
23M
23.00 mi13:28:113:01:117:5310:27
8:21
#12582
24M
24.00 mi13:36:113:09:117:538:00
8:00
#12497
40K
24.85 mi13:43:043:16:047:536:53
8:03
#12394
25.2M
25.20 mi13:46:193:19:197:553:15
9:25
#12415
Finish
26.22 mi13:54:203:27:207:558:01
7:52
#12381
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi126129462946212841(Top 45%)9446(Top 59%)9446(Top 573%)
10K6.21 mi3.10 mi12666-549471-99471-912829(Top 45%)9521(Top 59%)9521(Top 578%)
15K9.32 mi3.11 mi12718-529464+79464+712841(Top 45%)9446(Top 59%)9446(Top 573%)
20K12.43 mi3.11 mi12647+719377+879377+8712617(Top 44%)9249(Top 57%)9249(Top 561%)
Half13.11 mi0.68 mi12699-529387-109387-1013486(Top 47%)9674(Top 60%)9674(Top 587%)
25K15.53 mi2.42 mi12580+1199311+769311+7612179(Top 43%)8937(Top 55%)8937(Top 542%)
30K18.64 mi3.11 mi12543+379218+939218+9312586(Top 44%)8943(Top 56%)8943(Top 543%)
20M20.00 mi1.36 mi12581-389197+219197+2113302(Top 47%)9125(Top 57%)9125(Top 554%)
21M21.00 mi1.00 mi12635-549197919713682(Top 48%)9181(Top 57%)9181(Top 557%)
35K21.75 mi0.75 mi12623+129159+389159+3812797(Top 45%)8710(Top 54%)8710(Top 529%)
23M23.00 mi1.25 mi12582+419109+509109+5012303(Top 43%)8373(Top 52%)8373(Top 508%)
24M24.00 mi1.00 mi12497+859047+629047+6211229(Top 40%)7782(Top 48%)7782(Top 472%)
40K24.85 mi0.85 mi12394+1038961+868961+8610542(Top 37%)7327(Top 45%)7327(Top 445%)
25.2M25.20 mi0.35 mi12415-218958+38958+314081(Top 50%)8966(Top 56%)8966(Top 544%)
Finish26.22 mi1.02 mi12381+348902+568902+5611916(Top 42%)7997(Top 50%)7997(Top 485%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21stories
+97ft-345ft

Overall

12841

Males

9446

M55-59

9446

5K→10K

3.1 - 6.2 mi

Top 45%
×5stories
+79ft-138ft

Overall

12829

Males

9521

M55-59

9521

10K→15K

6.2 - 9.3 mi

Top 45%
×3stories
+67ft-78ft

Overall

12841

Males

9446

M55-59

9446

15K→20K

9.3 - 12.4 mi

Top 44%
×5stories
+106ft-86ft

Overall

12617

Males

9249

M55-59

9249

20K→Half

12.4 - 13.1 mi

Top 47%
×2stories
+19ft-37ft

Overall

13486

Males

9674

M55-59

9674

Half→25K

13.1 - 15.5 mi

Top 43%
×4stories
+66ft-88ft

Overall

12179

Males

8937

M55-59

8937

25K→30K

15.5 - 18.6 mi

Top 44%
×9stories
+181ft-148ft

Overall

12586

Males

8943

M55-59

8943

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

13302

Males

9125

M55-59

9125

20M→21M

20.0 - 21.0 mi

Top 48%
×8stories
+106ft-24ft

Overall

13682

Males

9181

M55-59

9181

21M→35K

21.0 - 21.8 mi

Top 45%
×7stories
+17ft-86ft

Overall

12797

Males

8710

M55-59

8710

35K→23M

21.8 - 23.0 mi

Top 43%
×5stories
+23ft-63ft

Overall

12303

Males

8373

M55-59

8373

23M→24M

23.0 - 24.0 mi

Top 40%
×6stories
+12ft-82ft

Overall

11229

Males

7782

M55-59

7782

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

10542

Males

7327

M55-59

7327

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

14081

Males

8966

M55-59

8966

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2stories
+22ft-21ft

Overall

11916

Males

7997

M55-59

7997

Passing Analysis

Category:
Athletes Passed
1884
Passed By
1653
Net Change
+231
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12612
5K → 10K264318-54#12612#12666
10K → 15K161213-52#12666#12718
15K → 20K228157+71#12718#12647
20K → Half1466-52#12647#12699
Half → 25K20182+119#12699#12580
25K → 30K260223+37#12580#12543
30K → 20M96134-38#12543#12581
20M → 21M93147-54#12581#12635
21M → 35K6654+12#12635#12623
35K → 23M13594+41#12623#12582
23M → 24M12338+85#12582#12497
24M → 40K12623+103#12497#12394
40K → 25.2M2142-21#12394#12415
25.2M → Finish9662+34#12415#12381
TOTALS18841653+231
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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