Boston Marathon logo
BOSTON MARATHON 2024

Brian Dunfey

Bib: 7926•M

CO

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M65-69)
#0 / 617
Race Day Weather
55°/45°F
scattered 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
8:35/mi
26:40
↑ 97↓ 3451.5%
10K· 6.21 mi
9:07/mi
54:58
↑ 79↓ 1380.4%
15K· 9.32 mi
9:22/mi
1:24:05
↑ 67↓ 78
20K· 12.43 mi
9:49/mi
1:54:35
↑ 106↓ 860.1%
Half· 13.11 mi
9:52/mi
2:01:19
↑ 19↓ 370.5%
25K· 15.53 mi
10:15/mi
2:26:11
↑ 66↓ 880.2%
30K· 18.64 mi
10:29/mi
2:58:46
↑ 181↓ 1480.2%
20M
11:18/mi
3:14:07
↑ 64↓ 500.2%
21M
12:39/mi
3:26:46
↑ 106↓ 241.6%
35K· 21.75 mi
10:44/mi
3:34:48
↑ 17↓ 861.7%
23M
10:50/mi
3:48:22
↑ 23↓ 630.6%
24M
10:37/mi
3:58:59
↓ 821.3%
40K· 24.85 mi
12:03/mi
4:09:17
↓ 200.3%
25.2M
12:43/mi
4:13:40
↑ 13↓ 160.2%
Finish· 26.22 mi
10:44/mi
4:24:36
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:01:19
Pace9:15 /mi
2nd Half
Distance13.11 mi
Time2:23:17
Pace10:56 /mi
📊Positive Split: 18.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:01:0226:408:3526:40
8:35
-
10K
6.21 mi11:29:2054:588:5128:18
9:07
+0:32
15K
9.32 mi11:58:271:24:059:0129:07
9:22
+0:15
20K
12.43 mi12:28:571:54:359:1330:30
9:49
+0:27
Half
13.11 mi12:35:412:01:199:156:44
9:52
+0:03
25K
15.53 mi13:00:332:26:119:2524:52
10:15
+0:23
30K
18.64 mi13:33:082:58:469:3532:35
10:29
+0:14
20M
20.00 mi13:48:293:14:079:4215:21
11:18
+0:49
21M
21.00 mi14:01:083:26:469:5112:39
12:39
+1:21
35K
21.75 mi14:09:103:34:489:538:02
10:44
-1:55
23M
23.00 mi14:22:443:48:229:5613:34
10:50
+0:06
24M
24.00 mi14:33:213:58:599:5710:37
10:37
-0:13
40K
24.85 mi14:43:394:09:1710:0210:18
12:03
+1:26
25.2M
25.20 mi14:48:024:13:4010:044:23
12:43
+0:40
Finish
26.22 mi14:58:584:24:3610:0610:56
10:44
-1:59

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

8:35 /mi

Average Pace

10:06 /mi

Slowest Pace

12:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:01:19

46% of race

Time at Steady Pace

1:40:36

38% of race

Time at Slower Pace

42:41

16% of race

Average Pace: 10:05 /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 mi11:01:0226:408:3526:40
8:35
#18217
10K
6.21 mi11:29:2054:588:5128:18
9:07
#19252
15K
9.32 mi11:58:271:24:059:0129:07
9:22
#19651
20K
12.43 mi12:28:571:54:359:1330:30
9:49
#19822
Half
13.11 mi12:35:412:01:199:156:44
9:52
#19921
25K
15.53 mi13:00:332:26:119:2524:52
10:15
#19898
30K
18.64 mi13:33:082:58:469:3532:35
10:29
#19643
20M
20.00 mi13:48:293:14:079:4215:21
11:18
#19666
21M
21.00 mi14:01:083:26:469:5112:39
12:39
#19654
35K
21.75 mi14:09:103:34:489:538:02
10:44
#19616
23M
23.00 mi14:22:443:48:229:5613:34
10:50
#19523
24M
24.00 mi14:33:213:58:599:5710:37
10:37
#19436
40K
24.85 mi14:43:394:09:1710:0210:18
12:03
#19477
25.2M
25.20 mi14:48:024:13:4010:044:23
12:43
#19468
Finish
26.22 mi14:58:584:24:3610:0610:56
10:44
#19492
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi18217112831128320255(Top 79%)12297(Top 84%)12297(Top 1993%)
10K6.21 mi3.10 mi19252-103511747-46411747-46420183(Top 79%)12219(Top 84%)12219(Top 1980%)
15K9.32 mi3.11 mi19651-39911961-21411961-21420255(Top 79%)12297(Top 84%)12297(Top 1993%)
20K12.43 mi3.11 mi19822-17112054-9312054-9320093(Top 79%)12185(Top 84%)12185(Top 1975%)
Half13.11 mi0.68 mi19921-9912092-3812092-3821107(Top 83%)12599(Top 86%)12599(Top 2042%)
25K15.53 mi2.42 mi19898+2312075+1712075+1719793(Top 77%)11944(Top 82%)11944(Top 1936%)
30K18.64 mi3.11 mi19643+25511892+18311892+18318754(Top 73%)11274(Top 77%)11274(Top 1827%)
20M20.00 mi1.36 mi19666-2311872+2011872+2019964(Top 78%)11723(Top 80%)11723(Top 1900%)
21M21.00 mi1.00 mi19654+1211847+2511847+2520123(Top 79%)11684(Top 80%)11684(Top 1894%)
35K21.75 mi0.75 mi19616+3811801+4611801+4619176(Top 75%)11217(Top 77%)11217(Top 1818%)
23M23.00 mi1.25 mi19523+9311741+6011741+6017950(Top 70%)10523(Top 72%)10523(Top 1706%)
24M24.00 mi1.00 mi19436+8711675+6611675+6618195(Top 71%)10597(Top 73%)10597(Top 1718%)
40K24.85 mi0.85 mi19477-4111682-711682-720536(Top 80%)11723(Top 80%)11723(Top 1900%)
25.2M25.20 mi0.35 mi19468+911671+1111671+1119030(Top 74%)10965(Top 75%)10965(Top 1777%)
Finish26.22 mi1.02 mi19492-2411668+311668+320632(Top 81%)11800(Top 81%)11800(Top 1912%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21story building
+97ft-345ft

Overall

20255

Males

12297

M65-69

12297

5K→10K

3.1 - 6.2 mi

Top 79%
×5story building
+79ft-138ft

Overall

20183

Males

12219

M65-69

12219

10K→15K

6.2 - 9.3 mi

Top 79%
×3story building
+67ft-78ft

Overall

20255

Males

12297

M65-69

12297

15K→20K

9.3 - 12.4 mi

Top 79%
×5story building
+106ft-86ft

Overall

20093

Males

12185

M65-69

12185

20K→Half

12.4 - 13.1 mi

Top 83%
×2story building
+19ft-37ft

Overall

21107

Males

12599

M65-69

12599

Half→25K

13.1 - 15.5 mi

Top 77%
×4story building
+66ft-88ft

Overall

19793

Males

11944

M65-69

11944

25K→30K

15.5 - 18.6 mi

Top 73%
×9story building
+181ft-148ft

Overall

18754

Males

11274

M65-69

11274

30K→20M

18.6 - 20.0 mi

Top 78%
×5story building
+64ft-50ft

Overall

19964

Males

11723

M65-69

11723

20M→21M

20.0 - 21.0 mi

Top 79%
×8story building
+106ft-24ft

Overall

20123

Males

11684

M65-69

11684

21M→35K

21.0 - 21.8 mi

Top 75%
×7story building
+17ft-86ft

Overall

19176

Males

11217

M65-69

11217

35K→23M

21.8 - 23.0 mi

Top 70%
×5story building
+23ft-63ft

Overall

17950

Males

10523

M65-69

10523

23M→24M

23.0 - 24.0 mi

Top 71%
×6story building
+12ft-82ft

Overall

18195

Males

10597

M65-69

10597

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

20536

Males

11723

M65-69

11723

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

19030

Males

10965

M65-69

10965

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

20632

Males

11800

M65-69

11800

Passing Analysis

Category:
Athletes Passed
1480
Passed By
2755
Net Change
-1275
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18217
5K → 10K531088-1035#18217#19252
10K → 15K121520-399#19252#19651
15K → 20K171342-171#19651#19822
20K → Half11110-99#19822#19921
Half → 25K188165+23#19921#19898
25K → 30K32368+255#19898#19643
30K → 20M84107-23#19643#19666
20M → 21M8573+12#19666#19654
21M → 35K7133+38#19654#19616
35K → 23M12734+93#19616#19523
23M → 24M11124+87#19523#19436
24M → 40K4687-41#19436#19477
40K → 25.2M3324+9#19477#19468
25.2M → Finish5680-24#19468#19492
TOTALS14802755-1275
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing