Boston Marathon logo
BOSTON MARATHON 2024

Clay Alford

Bib: 11806•M

NC

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Top 39%
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Top 41%
Division (M45-49)
#0 / 2218
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
7:10/mi
22:15
↑ 97↓ 3451.5%
10K· 6.21 mi
7:10/mi
44:30
↑ 79↓ 1380.4%
15K· 9.32 mi
7:07/mi
1:06:38
↑ 67↓ 78
20K· 12.43 mi
7:13/mi
1:29:02
↑ 106↓ 860.1%
Half· 13.11 mi
7:18/mi
1:34:01
↑ 19↓ 370.5%
25K· 15.53 mi
7:53/mi
1:53:07
↑ 66↓ 880.2%
30K· 18.64 mi
8:54/mi
2:20:46
↑ 181↓ 1480.2%
20M
9:09/mi
2:33:12
↑ 64↓ 500.2%
21M
11:42/mi
2:44:54
↑ 106↓ 241.6%
35K· 21.75 mi
8:13/mi
2:51:03
↑ 17↓ 861.7%
23M
9:13/mi
3:02:36
↑ 23↓ 630.6%
24M
8:49/mi
3:11:25
↓ 821.3%
40K· 24.85 mi
9:35/mi
3:19:37
↓ 200.3%
25.2M
11:27/mi
3:23:34
↑ 13↓ 160.2%
Finish· 26.22 mi
8:25/mi
3:32:09
↑ 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
Time1:34:01
Pace7:10 /mi
2nd Half
Distance13.11 mi
Time1:58:08
Pace9:01 /mi
📊Positive Split: 25.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:0922:157:1022:15
7:10
-
10K
6.21 mi11:12:2444:307:1022:15
7:10
0:00
15K
9.32 mi11:34:321:06:387:0922:08
7:07
-0:03
20K
12.43 mi11:56:561:29:027:1022:24
7:13
+0:06
Half
13.11 mi12:01:551:34:017:104:59
7:18
+0:05
25K
15.53 mi12:21:011:53:077:1719:06
7:53
+0:35
30K
18.64 mi12:48:402:20:467:3327:39
8:54
+1:01
20M
20.00 mi13:01:062:33:127:4012:26
9:09
+0:15
21M
21.00 mi13:12:482:44:547:5111:42
11:42
+2:33
35K
21.75 mi13:18:572:51:037:526:09
8:13
-3:29
23M
23.00 mi13:30:303:02:367:5611:33
9:13
+1:00
24M
24.00 mi13:39:193:11:257:598:49
8:49
-0:24
40K
24.85 mi13:47:313:19:378:028:12
9:35
+0:46
25.2M
25.20 mi13:51:283:23:348:053:57
11:27
+1:52
Finish
26.22 mi14:00:033:32:098:068:35
8:25
-3:02

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

7:07 /mi

Average Pace

8:06 /mi

Slowest Pace

11:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:01

44% of race

Time at Steady Pace

1:10:18

33% of race

Time at Slower Pace

47:50

23% of race

Average Pace: 8:05 /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 mi10:50:0922:157:1022:15
7:10
#8118
10K
6.21 mi11:12:2444:307:1022:15
7:10
#7860
15K
9.32 mi11:34:321:06:387:0922:08
7:07
#7522
20K
12.43 mi11:56:561:29:027:1022:24
7:13
#7205
Half
13.11 mi12:01:551:34:017:104:59
7:18
#7218
25K
15.53 mi12:21:011:53:077:1719:06
7:53
#7475
30K
18.64 mi12:48:402:20:467:3327:39
8:54
#8497
20M
20.00 mi13:01:062:33:127:4012:26
9:09
#8834
21M
21.00 mi13:12:482:44:547:5111:42
11:42
#9601
35K
21.75 mi13:18:572:51:037:526:09
8:13
#9523
23M
23.00 mi13:30:303:02:367:5611:33
9:13
#9699
24M
24.00 mi13:39:193:11:257:598:49
8:49
#9743
40K
24.85 mi13:47:313:19:378:028:12
9:35
#9930
25.2M
25.20 mi13:51:283:23:348:053:57
11:27
#10066
Finish
26.22 mi14:00:033:32:098:068:35
8:25
#10064
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi8118689068906954(Top 27%)6042(Top 41%)6042(Top 272%)
10K6.21 mi3.10 mi7860+2586700+1906700+1907675(Top 30%)6562(Top 45%)6562(Top 296%)
15K9.32 mi3.11 mi7522+3386468+2326468+2326954(Top 27%)6042(Top 41%)6042(Top 272%)
20K12.43 mi3.11 mi7205+3176232+2366232+2366457(Top 25%)5631(Top 39%)5631(Top 254%)
Half13.11 mi0.68 mi7218-13623262327701(Top 30%)6447(Top 44%)6447(Top 291%)
25K15.53 mi2.42 mi7475-2576367-1356367-1359408(Top 37%)7192(Top 49%)7192(Top 324%)
30K18.64 mi3.11 mi8497-10226887-5206887-52012738(Top 50%)8574(Top 59%)8574(Top 387%)
20M20.00 mi1.36 mi8834-3377018-1317018-13112844(Top 50%)8328(Top 57%)8328(Top 375%)
21M21.00 mi1.00 mi9601-7677357-3397357-33918106(Top 71%)10686(Top 73%)10686(Top 482%)
35K21.75 mi0.75 mi9523+787274+837274+839085(Top 36%)6303(Top 43%)6303(Top 284%)
23M23.00 mi1.25 mi9699-1767292-187292-1812237(Top 48%)7683(Top 53%)7683(Top 346%)
24M24.00 mi1.00 mi9743-447273+197273+1911179(Top 44%)7145(Top 49%)7145(Top 322%)
40K24.85 mi0.85 mi9930-1877335-627335-6213431(Top 53%)8143(Top 56%)8143(Top 367%)
25.2M25.20 mi0.35 mi10066-1367377-427377-4215862(Top 62%)9347(Top 64%)9347(Top 421%)
Finish26.22 mi1.02 mi10064+27336+417336+4111071(Top 43%)7026(Top 48%)7026(Top 317%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21story building
+97ft-345ft

Overall

6954

Males

6042

M45-49

6042

5K→10K

3.1 - 6.2 mi

Top 30%
×5story building
+79ft-138ft

Overall

7675

Males

6562

M45-49

6562

10K→15K

6.2 - 9.3 mi

Top 27%
×3story building
+67ft-78ft

Overall

6954

Males

6042

M45-49

6042

15K→20K

9.3 - 12.4 mi

Top 25%
×5story building
+106ft-86ft

Overall

6457

Males

5631

M45-49

5631

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

7701

Males

6447

M45-49

6447

Half→25K

13.1 - 15.5 mi

Top 37%
×4story building
+66ft-88ft

Overall

9408

Males

7192

M45-49

7192

25K→30K

15.5 - 18.6 mi

Top 50%
×9story building
+181ft-148ft

Overall

12738

Males

8574

M45-49

8574

30K→20M

18.6 - 20.0 mi

Top 50%
×5story building
+64ft-50ft

Overall

12844

Males

8328

M45-49

8328

20M→21M

20.0 - 21.0 mi

Top 71%
×8story building
+106ft-24ft

Overall

18106

Males

10686

M45-49

10686

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

9085

Males

6303

M45-49

6303

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

12237

Males

7683

M45-49

7683

23M→24M

23.0 - 24.0 mi

Top 44%
×6story building
+12ft-82ft

Overall

11179

Males

7145

M45-49

7145

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

13431

Males

8143

M45-49

8143

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

15862

Males

9347

M45-49

9347

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

11071

Males

7026

M45-49

7026

Passing Analysis

Category:
Athletes Passed
1801*
Passed By
3744
Net Change
-1946
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8118
5K → 10K371113+258#8118#7860
10K → 15K36224+338#7860#7522
15K → 20K36447+317#7522#7205
20K → Half2740-13#7205#7218
Half → 25K115372-257#7218#7475
25K → 30K621084-1022#7475#8497
30K → 20M50387-337#8497#8834
20M → 21M16783-767#8834#9601
21M → 35K12143+78#9601#9523
35K → 23M102277-176#9523#9699
23M → 24M87*131-44#9699#9743
24M → 40K35222-187#9743#9930
40K → 25.2M9143-136#9930#10066
25.2M → Finish8078+2#10066#10064
TOTALS1801*3744-1946

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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