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BOSTON MARATHON 2025

Kyle Brunner

Bib: 29139•M

WI

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M45-49)
#0 / 2386
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
9:07/mi
28:21
↑ 97↓ 3451.5%
10K· 6.21 mi
8:44/mi
55:28
↑ 79↓ 1380.4%
15K· 9.32 mi
8:30/mi
1:21:54
↑ 67↓ 78
20K· 12.43 mi
8:28/mi
1:48:12
↑ 106↓ 860.1%
Half· 13.11 mi
8:20/mi
1:53:53
↑ 19↓ 370.5%
25K· 15.53 mi
8:37/mi
2:14:46
↑ 66↓ 880.2%
30K· 18.64 mi
8:45/mi
2:41:56
↑ 181↓ 1480.2%
20M
9:00/mi
2:54:10
↑ 64↓ 500.2%
21M
9:09/mi
3:03:19
↑ 106↓ 241.6%
35K· 21.75 mi
8:15/mi
3:09:29
↑ 17↓ 861.7%
23M
8:36/mi
3:20:15
↑ 23↓ 630.6%
24M
8:37/mi
3:28:52
↓ 821.3%
40K· 24.85 mi
8:29/mi
3:36:07
↓ 200.3%
25.2M
9:25/mi
3:39:22
↑ 13↓ 160.2%
Finish· 26.22 mi
8:00/mi
3:47:31
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:53:53
Pace8:41 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:53:38
Pace8:40 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:2128:219:0728:21
9:07
-
10K
6.21 mi12:19:2855:288:5627:07
8:44
-0:23
15K
9.32 mi12:45:541:21:548:4726:26
8:30
-0:14
20K
12.43 mi13:12:121:48:128:4226:18
8:28
-0:02
Half
13.11 mi13:17:531:53:538:415:41
8:20
-0:08
25K
15.53 mi13:38:462:14:468:4120:53
8:37
+0:17
30K
18.64 mi14:05:562:41:568:4127:10
8:45
+0:08
20M
20.00 mi14:18:102:54:108:4212:14
9:00
+0:15
21M
21.00 mi14:27:193:03:198:449:09
9:09
+0:09
35K
21.75 mi14:33:293:09:298:436:10
8:15
-0:54
23M
23.00 mi14:44:153:20:158:4210:46
8:36
+0:21
24M
24.00 mi14:52:523:28:528:428:37
8:37
+0:01
40K
24.85 mi15:00:073:36:078:427:15
8:29
-0:08
25.2M
25.20 mi15:03:223:39:228:423:15
9:25
+0:56
Finish
26.22 mi15:11:313:47:318:418:09
8:00
-1:25

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

8:00 /mi

Average Pace

8:41 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:54:32

77% of race

Time at Steady Pace

52:59

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:41 /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 mi11:52:2128:219:0728:21
9:07
#22929
10K
6.21 mi12:19:2855:288:5627:07
8:44
#22080
15K
9.32 mi12:45:541:21:548:4726:26
8:30
#21183
20K
12.43 mi13:12:121:48:128:4226:18
8:28
#20456
Half
13.11 mi13:17:531:53:538:415:41
8:20
#20333
25K
15.53 mi13:38:462:14:468:4120:53
8:37
#19915
30K
18.64 mi14:05:562:41:568:4127:10
8:45
#19264
20M
20.00 mi14:18:102:54:108:4212:14
9:00
#19062
21M
21.00 mi14:27:193:03:198:449:09
9:09
#18780
35K
21.75 mi14:33:293:09:298:436:10
8:15
#18619
23M
23.00 mi14:44:153:20:158:4210:46
8:36
#18318
24M
24.00 mi14:52:523:28:528:428:37
8:37
#18167
40K
24.85 mi15:00:073:36:078:427:15
8:29
#17977
25.2M
25.20 mi15:03:223:39:228:423:15
9:25
#17923
Finish
26.22 mi15:11:313:47:318:418:09
8:00
#17729
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi22929137341373419365(Top 68%)12207(Top 76%)12207(Top 512%)
10K6.21 mi3.10 mi22080+84913359+37513359+37521027(Top 74%)12934(Top 80%)12934(Top 542%)
15K9.32 mi3.11 mi21183+89712984+37512984+37519365(Top 68%)12207(Top 76%)12207(Top 512%)
20K12.43 mi3.11 mi20456+72712665+31912665+31917977(Top 63%)11600(Top 72%)11600(Top 486%)
Half13.11 mi0.68 mi20333+12312610+5512610+5518066(Top 64%)11656(Top 72%)11656(Top 489%)
25K15.53 mi2.42 mi19915+41812426+18412426+18417865(Top 63%)11463(Top 71%)11463(Top 480%)
30K18.64 mi3.11 mi19264+65112100+32612100+32616260(Top 57%)10606(Top 66%)10606(Top 445%)
20M20.00 mi1.36 mi19062+20211991+10911991+10916795(Top 59%)10727(Top 67%)10727(Top 450%)
21M21.00 mi1.00 mi18780+28211847+14411847+14414348(Top 51%)9503(Top 59%)9503(Top 398%)
35K21.75 mi0.75 mi18619+16111763+8411763+8413900(Top 49%)9251(Top 57%)9251(Top 388%)
23M23.00 mi1.25 mi18318+30111602+16111602+16113918(Top 49%)9133(Top 57%)9133(Top 383%)
24M24.00 mi1.00 mi18167+15111508+9411508+9415252(Top 54%)9705(Top 60%)9705(Top 407%)
40K24.85 mi0.85 mi17977+19011393+11511393+11513299(Top 47%)8674(Top 54%)8674(Top 364%)
25.2M25.20 mi0.35 mi17923+5411361+3211361+3214134(Top 50%)9019(Top 56%)9019(Top 378%)
Finish26.22 mi1.02 mi17729+19411253+10811253+10812863(Top 45%)8476(Top 53%)8476(Top 355%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21story building
+97ft-345ft

Overall

19365

Males

12207

M45-49

12207

5K→10K

3.1 - 6.2 mi

Top 74%
×5story building
+79ft-138ft

Overall

21027

Males

12934

M45-49

12934

10K→15K

6.2 - 9.3 mi

Top 68%
×3story building
+67ft-78ft

Overall

19365

Males

12207

M45-49

12207

15K→20K

9.3 - 12.4 mi

Top 63%
×5story building
+106ft-86ft

Overall

17977

Males

11600

M45-49

11600

20K→Half

12.4 - 13.1 mi

Top 64%
×2story building
+19ft-37ft

Overall

18066

Males

11656

M45-49

11656

Half→25K

13.1 - 15.5 mi

Top 63%
×4story building
+66ft-88ft

Overall

17865

Males

11463

M45-49

11463

25K→30K

15.5 - 18.6 mi

Top 57%
×9story building
+181ft-148ft

Overall

16260

Males

10606

M45-49

10606

30K→20M

18.6 - 20.0 mi

Top 59%
×5story building
+64ft-50ft

Overall

16795

Males

10727

M45-49

10727

20M→21M

20.0 - 21.0 mi

Top 51%
×8story building
+106ft-24ft

Overall

14348

Males

9503

M45-49

9503

21M→35K

21.0 - 21.8 mi

Top 49%
×7story building
+17ft-86ft

Overall

13900

Males

9251

M45-49

9251

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

13918

Males

9133

M45-49

9133

23M→24M

23.0 - 24.0 mi

Top 54%
×6story building
+12ft-82ft

Overall

15252

Males

9705

M45-49

9705

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

13299

Males

8674

M45-49

8674

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

14134

Males

9019

M45-49

9019

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2story building
+22ft-21ft

Overall

12863

Males

8476

M45-49

8476

Passing Analysis

Category:
Athletes Passed
5313
Passed By
113
Net Change
+5200
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22929
5K → 10K87526+849#22929#22080
10K → 15K90912+897#22080#21183
15K → 20K7292+727#21183#20456
20K → Half1230+123#20456#20333
Half → 25K43113+418#20333#19915
25K → 30K6543+651#19915#19264
30K → 20M22119+202#19264#19062
20M → 21M2886+282#19062#18780
21M → 35K1632+161#18780#18619
35K → 23M3032+301#18619#18318
23M → 24M1598+151#18318#18167
24M → 40K1944+190#18167#17977
40K → 25.2M6410+54#17977#17923
25.2M → Finish2006+194#17923#17729
TOTALS5313113+5200
📊

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