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BOSTON MARATHON 2024

Treg Harris

IN

Bib: 12026 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M50-54)
#0 / 1935
Race Day Weather
55°/45°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:11/mi
25:24
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:14/mi
50:59
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:38/mi
1:17:49
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:43/mi
1:48:01
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:24/mi
1:54:26
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
10:47/mi
2:20:35
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
11:04/mi
2:54:57
↑ 181↓ 1480.2%
138 ft elev
20M
11:44/mi
3:10:54
↑ 64↓ 500.2%
148 ft elev
21M
13:05/mi
3:23:59
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:57/mi
3:30:41
↑ 17↓ 861.7%
156 ft elev
23M
11:38/mi
3:45:15
↑ 23↓ 630.6%
116 ft elev
24M
9:17/mi
3:54:32
↓ 821.3%
34 ft elev
40K· 24.85 mi
12:11/mi
4:04:57
↓ 200.3%
20 ft elev
25.2M
13:20/mi
4:09:33
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:43/mi
4:19:27
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:54:268:44 /mi⚡ faster
2nd Half
2:25:0111:04 /mi+26.7%
Positive split — 26.7% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:0925:248:1125:24
8:11
-
10K
6.21 mi11:44:4450:598:1225:35
8:14
+0:03
15K
9.32 mi12:11:341:17:498:2126:50
8:38
+0:24
20K
12.43 mi12:41:461:48:018:4230:12
9:43
+1:05
Half
13.11 mi12:48:111:54:268:446:25
9:24
-0:19
25K
15.53 mi13:14:202:20:359:0326:09
10:47
+1:23
30K
18.64 mi13:48:422:54:579:2334:22
11:04
+0:17
20M
20.00 mi14:04:393:10:549:3315:57
11:44
+0:40
21M
21.00 mi14:17:443:23:599:4313:05
13:05
+1:21
35K
21.75 mi14:24:263:30:419:416:42
8:57
-4:08
23M
23.00 mi14:39:003:45:159:4814:34
11:38
+2:41
24M
24.00 mi14:48:173:54:329:469:17
9:17
-2:21
40K
24.85 mi14:58:424:04:579:5110:25
12:11
+2:54
25.2M
25.20 mi15:03:184:09:339:544:36
13:20
+1:09
Finish
26.22 mi15:13:124:19:279:549:54
9:43
-3:37

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

8:11 /mi

Average Pace

9:54 /mi

Slowest Pace

13:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

1:17:49

30% of race

Time at Steady Pace

1:02:30

24% of race

Time at Slower Pace

1:59:08

46% of race

Average Pace: 9:54 /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 mi11:19:0925:248:1125:24
8:11
#15871
10K
6.21 mi11:44:4450:598:1225:35
8:14
#15777
15K
9.32 mi12:11:341:17:498:2126:50
8:38
#16210
20K
12.43 mi12:41:461:48:018:4230:12
9:43
#17462
Half
13.11 mi12:48:111:54:268:446:25
9:24
#17623
25K
15.53 mi13:14:202:20:359:0326:09
10:47
#18538
30K
18.64 mi13:48:422:54:579:2334:22
11:04
#18966
20M
20.00 mi14:04:393:10:549:3315:57
11:44
#19159
21M
21.00 mi14:17:443:23:599:4313:05
13:05
#19291
35K
21.75 mi14:24:263:30:419:416:42
8:57
#19072
23M
23.00 mi14:39:003:45:159:4814:34
11:38
#19115
24M
24.00 mi14:48:173:54:329:469:17
9:17
#18875
40K
24.85 mi14:58:424:04:579:5110:25
12:11
#18946
25.2M
25.20 mi15:03:184:09:339:544:36
13:20
#18965
Finish
26.22 mi15:13:124:19:279:549:54
9:43
#18908
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi158711034910349171481088610886
10K6.21 mi3.10 mi15777+9410342+710342+7157471033710337
15K9.32 mi3.11 mi16210-43310495-15310495-153171481088610886
20K12.43 mi3.11 mi17462-125210989-49410989-494198351207512075
Half13.11 mi0.68 mi17623-16111047-5811047-58197341194811948
25K15.53 mi2.42 mi18538-91511441-39411441-394210471251512515
30K18.64 mi3.11 mi18966-42811575-13411575-134201161189611896
20M20.00 mi1.36 mi19159-19311628-5311628-53208801215812158
21M21.00 mi1.00 mi19291-13211666-3811666-38208741208912089
35K21.75 mi0.75 mi19072+21911556+11011556+1101309282158215
23M23.00 mi1.25 mi19115-4311553+311553+3199441153711537
24M24.00 mi1.00 mi18875+24011420+13311420+1331347682888288
40K24.85 mi0.85 mi18946-7111432-1211432-12207951185211852
25.2M25.20 mi0.35 mi18965-1911439-711439-7203651162311623
Finish26.22 mi1.02 mi18908+5711390+4911390+49174031015510155

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

17148

Males

10886

M50-54

10886

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

15747

Males

10337

M50-54

10337

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

17148

Males

10886

M50-54

10886

15K→20K

9.3 - 12.4 mi

Top 78%
×5story building
+106ft-86ft

Overall

19835

Males

12075

M50-54

12075

20K→Half

12.4 - 13.1 mi

Top 77%
×2story building
+19ft-37ft

Overall

19734

Males

11948

M50-54

11948

Half→25K

13.1 - 15.5 mi

Top 82%
×4story building
+66ft-88ft

Overall

21047

Males

12515

M50-54

12515

25K→30K

15.5 - 18.6 mi

Top 79%
×9story building
+181ft-148ft

Overall

20116

Males

11896

M50-54

11896

30K→20M

18.6 - 20.0 mi

Top 82%
×5story building
+64ft-50ft

Overall

20880

Males

12158

M50-54

12158

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

20874

Males

12089

M50-54

12089

21M→35K

21.0 - 21.8 mi

Top 51%
×7story building
+17ft-86ft

Overall

13092

Males

8215

M50-54

8215

35K→23M

21.8 - 23.0 mi

Top 78%
×5story building
+23ft-63ft

Overall

19944

Males

11537

M50-54

11537

23M→24M

23.0 - 24.0 mi

Top 53%
×6story building
+12ft-82ft

Overall

13476

Males

8288

M50-54

8288

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

20795

Males

11852

M50-54

11852

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

20365

Males

11623

M50-54

11623

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2story building
+22ft-21ft

Overall

17403

Males

10155

M50-54

10155

Passing Analysis

Category:
Athletes Passed
1431
Passed By
4468
Net Change
-3037
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15871
5K → 10K321227+94#15871#15777
10K → 15K122555-433#15777#16210
15K → 20K511303-1252#16210#17462
20K → Half16177-161#17462#17623
Half → 25K39954-915#17623#18538
25K → 30K103531-428#18538#18966
30K → 20M44237-193#18966#19159
20M → 21M45177-132#19159#19291
21M → 35K2223+219#19291#19072
35K → 23M78121-43#19072#19115
23M → 24M2433+240#19115#18875
24M → 40K40111-71#18875#18946
40K → 25.2M2039-19#18946#18965
25.2M → Finish8730+57#18965#18908
TOTALS14314468-3037

Passing Charts

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