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BOSTON MARATHON 2023

Daniel Foley

Bib: 31855•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
10:02/mi
31:09
↑ 97↓ 3451.5%
10K· 6.21 mi
9:42/mi
1:01:18
↑ 79↓ 1380.4%
15K· 9.32 mi
9:20/mi
1:30:18
↑ 67↓ 78
20K· 12.43 mi
9:23/mi
1:59:28
↑ 106↓ 860.1%
Half· 13.11 mi
8:51/mi
2:05:30
↑ 19↓ 370.5%
25K· 15.53 mi
9:23/mi
2:28:14
↑ 66↓ 880.2%
30K· 18.64 mi
9:33/mi
2:57:54
↑ 181↓ 1480.2%
20M
9:21/mi
3:10:37
↑ 64↓ 500.2%
21M
9:44/mi
3:20:21
↑ 106↓ 241.6%
35K· 21.75 mi
9:12/mi
3:27:14
↑ 17↓ 861.7%
23M
8:56/mi
3:38:25
↑ 23↓ 630.6%
24M
8:48/mi
3:47:13
↓ 821.3%
40K· 24.85 mi
9:03/mi
3:54:57
↓ 200.3%
25.2M
10:12/mi
3:58:28
↑ 13↓ 160.2%
Finish· 26.22 mi
8:20/mi
4:06:58
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:05:30
Pace9:34 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:01:28
Pace9:16 /mi
📊Negative Split: 3.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:3631:0910:0231:09
10:02
-
10K
6.21 mi12:21:451:01:189:5230:09
9:42
-0:20
15K
9.32 mi12:50:451:30:189:4129:00
9:20
-0:22
20K
12.43 mi13:19:551:59:289:3729:10
9:23
+0:03
Half
13.11 mi13:25:572:05:309:346:02
8:51
-0:32
25K
15.53 mi13:48:412:28:149:3322:44
9:23
+0:32
30K
18.64 mi14:18:212:57:549:3329:40
9:33
+0:10
20M
20.00 mi14:31:043:10:379:3212:43
9:21
-0:12
21M
21.00 mi14:40:483:20:219:329:44
9:44
+0:23
35K
21.75 mi14:47:413:27:149:326:53
9:12
-0:32
23M
23.00 mi14:58:523:38:259:3011:11
8:56
-0:16
24M
24.00 mi15:07:403:47:139:288:48
8:48
-0:08
40K
24.85 mi15:15:243:54:579:277:44
9:03
+0:15
25.2M
25.20 mi15:18:553:58:289:283:31
10:12
+1:09
Finish
26.22 mi15:27:254:06:589:268:30
8:20
-1:52

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

8:20 /mi

Average Pace

9:26 /mi

Slowest Pace

10:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

42:15

17% of race

Time at Steady Pace

2:10:10

53% of race

Time at Slower Pace

1:14:33

30% of race

Average Pace: 9:25 /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 mi11:51:3631:0910:0231:09
10:02
#23495
10K
6.21 mi12:21:451:01:189:5230:09
9:42
#23312
15K
9.32 mi12:50:451:30:189:4129:00
9:20
#22842
20K
12.43 mi13:19:551:59:289:3729:10
9:23
#22437
Half
13.11 mi13:25:572:05:309:346:02
8:51
#22312
25K
15.53 mi13:48:412:28:149:3322:44
9:23
#22010
30K
18.64 mi14:18:212:57:549:3329:40
9:33
#21601
20M
20.00 mi14:31:043:10:379:3212:43
9:21
#21386
21M
21.00 mi14:40:483:20:219:329:44
9:44
#21157
35K
21.75 mi14:47:413:27:149:326:53
9:12
#21067
23M
23.00 mi14:58:523:38:259:3011:11
8:56
#20785
24M
24.00 mi15:07:403:47:139:288:48
8:48
#20622
40K
24.85 mi15:15:243:54:579:277:44
9:03
#20460
25.2M
25.20 mi15:18:553:58:289:283:31
10:12
#20418
Finish
26.22 mi15:27:254:06:589:268:30
8:20
#20260
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi23495138281382821742(Top 82%)13077(Top 86%)13077(Top 584%)
10K6.21 mi3.10 mi23312+18313758+7013758+7023057(Top 87%)13671(Top 90%)13671(Top 610%)
15K9.32 mi3.11 mi22842+47013564+19413564+19421742(Top 82%)13077(Top 86%)13077(Top 584%)
20K12.43 mi3.11 mi22437+40513364+20013364+20021211(Top 80%)12839(Top 85%)12839(Top 573%)
Half13.11 mi0.68 mi22312+12513303+6113303+6119703(Top 74%)12188(Top 80%)12188(Top 544%)
25K15.53 mi2.42 mi22010+30213156+14713156+14720429(Top 77%)12462(Top 82%)12462(Top 556%)
30K18.64 mi3.11 mi21601+40912965+19112965+19119609(Top 74%)12052(Top 79%)12052(Top 538%)
20M20.00 mi1.36 mi21386+21512851+11412851+11418264(Top 69%)11360(Top 75%)11360(Top 507%)
21M21.00 mi1.00 mi21157+22912733+11812733+11816975(Top 64%)10787(Top 71%)10787(Top 481%)
35K21.75 mi0.75 mi21067+9012682+5112682+5118734(Top 70%)11485(Top 76%)11485(Top 512%)
23M23.00 mi1.25 mi20785+28212556+12612556+12615694(Top 59%)10111(Top 67%)10111(Top 451%)
24M24.00 mi1.00 mi20622+16312463+9312463+9316189(Top 61%)10267(Top 68%)10267(Top 458%)
40K24.85 mi0.85 mi20460+16212394+6912394+6916381(Top 62%)10306(Top 68%)10306(Top 460%)
25.2M25.20 mi0.35 mi20418+4212367+2712367+2718105(Top 68%)11088(Top 73%)11088(Top 495%)
Finish26.22 mi1.02 mi20260+15812292+7512292+7514349(Top 54%)9421(Top 62%)9421(Top 420%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21story building
+97ft-345ft

Overall

21742

Males

13077

M40-44

13077

5K→10K

3.1 - 6.2 mi

Top 87%
×5story building
+79ft-138ft

Overall

23057

Males

13671

M40-44

13671

10K→15K

6.2 - 9.3 mi

Top 82%
×3story building
+67ft-78ft

Overall

21742

Males

13077

M40-44

13077

15K→20K

9.3 - 12.4 mi

Top 80%
×5story building
+106ft-86ft

Overall

21211

Males

12839

M40-44

12839

20K→Half

12.4 - 13.1 mi

Top 74%
×2story building
+19ft-37ft

Overall

19703

Males

12188

M40-44

12188

Half→25K

13.1 - 15.5 mi

Top 77%
×4story building
+66ft-88ft

Overall

20429

Males

12462

M40-44

12462

25K→30K

15.5 - 18.6 mi

Top 74%
×9story building
+181ft-148ft

Overall

19609

Males

12052

M40-44

12052

30K→20M

18.6 - 20.0 mi

Top 69%
×5story building
+64ft-50ft

Overall

18264

Males

11360

M40-44

11360

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

16975

Males

10787

M40-44

10787

21M→35K

21.0 - 21.8 mi

Top 70%
×7story building
+17ft-86ft

Overall

18734

Males

11485

M40-44

11485

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

15694

Males

10111

M40-44

10111

23M→24M

23.0 - 24.0 mi

Top 61%
×6story building
+12ft-82ft

Overall

16189

Males

10267

M40-44

10267

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

16381

Males

10306

M40-44

10306

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

18105

Males

11088

M40-44

11088

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2story building
+22ft-21ft

Overall

14349

Males

9421

M40-44

9421

Passing Analysis

Category:
Athletes Passed
3421
Passed By
186
Net Change
+3235
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23495
5K → 10K311128+183#23495#23312
10K → 15K48616+470#23312#22842
15K → 20K41712+405#22842#22437
20K → Half1283+125#22437#22312
Half → 25K3053+302#22312#22010
25K → 30K4167+409#22010#21601
30K → 20M2183+215#21601#21386
20M → 21M2301+229#21386#21157
21M → 35K944+90#21157#21067
35K → 23M2831+282#21067#20785
23M → 24M1641+163#20785#20622
24M → 40K1620+162#20622#20460
40K → 25.2M497+42#20460#20418
25.2M → Finish1580+158#20418#20260
TOTALS3421186+3235
📊

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