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BOSTON MARATHON 2023

David Stewart

MN

Bib: 18831 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Top 22%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:58/mi
24:45
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:03/mi
49:46
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:00/mi
1:14:38
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:09/mi
1:39:56
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:05/mi
1:45:27
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:04/mi
2:05:01
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:19/mi
2:30:52
↑ 181↓ 1480.2%
138 ft elev
20M
8:23/mi
2:42:15
↑ 64↓ 500.2%
148 ft elev
21M
8:46/mi
2:51:01
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:13/mi
2:57:10
↑ 17↓ 861.7%
156 ft elev
23M
8:30/mi
3:07:48
↑ 23↓ 630.6%
116 ft elev
24M
8:14/mi
3:16:02
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:32/mi
3:23:20
↓ 200.3%
20 ft elev
25.2M
9:02/mi
3:26:27
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:18/mi
3:34:54
↑ 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
1:45:278:03 /mi⚡ faster
2nd Half
1:49:278:21 /mi+3.8%
Positive split — 3.8% slower in the second half
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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:3324:457:5824:45
7:58
-
10K
6.21 mi11:53:3449:468:0125:01
8:03
+0:05
15K
9.32 mi12:18:261:14:388:0024:52
8:00
-0:03
20K
12.43 mi12:43:441:39:568:0225:18
8:09
+0:09
Half
13.11 mi12:49:151:45:278:035:31
8:05
-0:04
25K
15.53 mi13:08:492:05:018:0319:34
8:04
-0:01
30K
18.64 mi13:34:402:30:528:0625:51
8:19
+0:15
20M
20.00 mi13:46:032:42:158:0711:23
8:23
+0:04
21M
21.00 mi13:54:492:51:018:098:46
8:46
+0:23
35K
21.75 mi14:00:582:57:108:096:09
8:13
-0:33
23M
23.00 mi14:11:363:07:488:1010:38
8:30
+0:17
24M
24.00 mi14:19:503:16:028:108:14
8:14
-0:16
40K
24.85 mi14:27:083:23:208:117:18
8:32
+0:18
25.2M
25.20 mi14:30:153:26:278:123:07
9:02
+0:30
Finish
26.22 mi14:38:423:34:548:128:27
8:18
-0:44

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

7:58 /mi

Average Pace

8:12 /mi

Slowest Pace

9:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:23:01

94% of race

Time at Steady Pace

11:53

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:12 /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 mi11:28:3324:457:5824:45
7:58
#13758
10K
6.21 mi11:53:3449:468:0125:01
8:03
#14445
15K
9.32 mi12:18:261:14:388:0024:52
8:00
#14405
20K
12.43 mi12:43:441:39:568:0225:18
8:09
#14402
Half
13.11 mi12:49:151:45:278:035:31
8:05
#14458
25K
15.53 mi13:08:492:05:018:0319:34
8:04
#14256
30K
18.64 mi13:34:402:30:528:0625:51
8:19
#14051
20M
20.00 mi13:46:032:42:158:0711:23
8:23
#13927
21M
21.00 mi13:54:492:51:018:098:46
8:46
#13787
35K
21.75 mi14:00:582:57:108:096:09
8:13
#13773
23M
23.00 mi14:11:363:07:488:1010:38
8:30
#13708
24M
24.00 mi14:19:503:16:028:108:14
8:14
#13641
40K
24.85 mi14:27:083:23:208:117:18
8:32
#13616
25.2M
25.20 mi14:30:153:26:278:123:07
9:02
#13593
Finish
26.22 mi14:38:423:34:548:128:27
8:18
#13604
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi1375898629862144061006410064
10K6.21 mi3.10 mi14445-68710119-25710119-257151761037710377
15K9.32 mi3.11 mi14405+4010082+3710082+37144061006410064
20K12.43 mi3.11 mi14402+310067+1510067+15145321008910089
Half13.11 mi0.68 mi14458-5610087-2010087-20149721027210272
25K15.53 mi2.42 mi14256+2029979+1089979+1081329694769476
30K18.64 mi3.11 mi14051+2059857+1229857+1221313892909290
20M20.00 mi1.36 mi13927+1249796+619796+611285690629062
21M21.00 mi1.00 mi13787+1409722+749722+741205486128612
35K21.75 mi0.75 mi13773+149700+229700+221355192119211
23M23.00 mi1.25 mi13708+659646+549646+541315389868986
24M24.00 mi1.00 mi13641+679596+509596+501281187698769
40K24.85 mi0.85 mi13616+259568+289568+281356590419041
25.2M25.20 mi0.35 mi13593+239551+179551+171269586088608
Finish26.22 mi1.02 mi13604-119538+139538+131404492639263

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

14406

Males

10064

M60-64

10064

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

15176

Males

10377

M60-64

10377

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

14406

Males

10064

M60-64

10064

15K→20K

9.3 - 12.4 mi

Top 55%
×5story building
+106ft-86ft

Overall

14532

Males

10089

M60-64

10089

20K→Half

12.4 - 13.1 mi

Top 56%
×2story building
+19ft-37ft

Overall

14972

Males

10272

M60-64

10272

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

13296

Males

9476

M60-64

9476

25K→30K

15.5 - 18.6 mi

Top 49%
×9story building
+181ft-148ft

Overall

13138

Males

9290

M60-64

9290

30K→20M

18.6 - 20.0 mi

Top 48%
×5story building
+64ft-50ft

Overall

12856

Males

9062

M60-64

9062

20M→21M

20.0 - 21.0 mi

Top 45%
×8story building
+106ft-24ft

Overall

12054

Males

8612

M60-64

8612

21M→35K

21.0 - 21.8 mi

Top 51%
×7story building
+17ft-86ft

Overall

13551

Males

9211

M60-64

9211

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

13153

Males

8986

M60-64

8986

23M→24M

23.0 - 24.0 mi

Top 48%
×6story building
+12ft-82ft

Overall

12811

Males

8769

M60-64

8769

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

13565

Males

9041

M60-64

9041

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

12695

Males

8608

M60-64

8608

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2story building
+22ft-21ft

Overall

14044

Males

9263

M60-64

9263

Passing Analysis

Category:
Athletes Passed
1813
Passed By
1659
Net Change
+154
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13758
5K → 10K78765-687#13758#14445
10K → 15K208168+40#14445#14405
15K → 20K185182+3#14405#14402
20K → Half1470-56#14402#14458
Half → 25K24341+202#14458#14256
25K → 30K28681+205#14256#14051
30K → 20M16743+124#14051#13927
20M → 21M16626+140#13927#13787
21M → 35K6046+14#13787#13773
35K → 23M11954+65#13773#13708
23M → 24M9831+67#13708#13641
24M → 40K8459+25#13641#13616
40K → 25.2M3411+23#13616#13593
25.2M → Finish7182-11#13593#13604
TOTALS18131659+154

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