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BOSTON MARATHON 2023

Stuart White

Bib: 2581•M

BC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 13%
Gender (Male)
#0 / 15176
Top 21%
Masters (Masters Men)
#0 / 9891
Top 9%
Division (M40-44)
#0 / 2241
Top 23%
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
6:15/mi
19:25
↑ 97↓ 3451.5%
10K· 6.21 mi
6:17/mi
38:56
↑ 79↓ 1380.4%
15K· 9.32 mi
6:18/mi
58:30
↑ 67↓ 78
20K· 12.43 mi
6:22/mi
1:18:16
↑ 106↓ 860.1%
Half· 13.11 mi
6:21/mi
1:22:36
↑ 19↓ 370.5%
25K· 15.53 mi
6:28/mi
1:38:16
↑ 66↓ 880.2%
30K· 18.64 mi
6:53/mi
1:59:40
↑ 181↓ 1480.2%
20M
7:10/mi
2:09:24
↑ 64↓ 500.2%
21M
7:52/mi
2:17:16
↑ 106↓ 241.6%
35K· 21.75 mi
7:18/mi
2:22:44
↑ 17↓ 861.7%
23M
7:54/mi
2:32:38
↑ 23↓ 630.6%
24M
7:52/mi
2:40:30
↓ 821.3%
40K· 24.85 mi
8:02/mi
2:47:22
↓ 200.3%
25.2M
8:25/mi
2:50:16
↑ 13↓ 160.2%
Finish· 26.22 mi
7:26/mi
2:57:50
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:36
Pace6:18 /mi
2nd Half
Distance13.11 mi
Time1:35:14
Pace7:16 /mi
📊Positive Split: 15.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:1619:256:1519:25
6:15
-
10K
6.21 mi10:39:4738:566:1619:31
6:17
+0:02
15K
9.32 mi10:59:2158:306:1719:34
6:18
+0:01
20K
12.43 mi11:19:071:18:166:1819:46
6:22
+0:04
Half
13.11 mi11:23:271:22:366:184:20
6:21
-0:01
25K
15.53 mi11:39:071:38:166:2015:40
6:28
+0:07
30K
18.64 mi12:00:311:59:406:2521:24
6:53
+0:25
20M
20.00 mi12:10:152:09:246:289:44
7:10
+0:17
21M
21.00 mi12:18:072:17:166:327:52
7:52
+0:42
35K
21.75 mi12:23:352:22:446:345:28
7:18
-0:34
23M
23.00 mi12:33:292:32:386:389:54
7:54
+0:36
24M
24.00 mi12:41:212:40:306:417:52
7:52
-0:02
40K
24.85 mi12:48:132:47:226:446:52
8:02
+0:10
25.2M
25.20 mi12:51:072:50:166:452:54
8:25
+0:23
Finish
26.22 mi12:58:412:57:506:477:34
7:26
-0:59

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

6:15 /mi

Average Pace

6:47 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:16

55% of race

Time at Steady Pace

44:10

25% of race

Time at Slower Pace

35:24

20% of race

Average Pace: 6:47 /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 mi10:20:1619:256:1519:25
6:15
#1264
10K
6.21 mi10:39:4738:566:1619:31
6:17
#1439
15K
9.32 mi10:59:2158:306:1719:34
6:18
#1476
20K
12.43 mi11:19:071:18:166:1819:46
6:22
#1524
Half
13.11 mi11:23:271:22:366:184:20
6:21
#1545
25K
15.53 mi11:39:071:38:166:2015:40
6:28
#1589
30K
18.64 mi12:00:311:59:406:2521:24
6:53
#1828
20M
20.00 mi12:10:152:09:246:289:44
7:10
#1997
21M
21.00 mi12:18:072:17:166:327:52
7:52
#2188
35K
21.75 mi12:23:352:22:446:345:28
7:18
#2307
23M
23.00 mi12:33:292:32:386:389:54
7:54
#2564
24M
24.00 mi12:41:212:40:306:417:52
7:52
#2897
40K
24.85 mi12:48:132:47:226:446:52
8:02
#3150
25.2M
25.20 mi12:51:072:50:166:452:54
8:25
#3246
Finish
26.22 mi12:58:412:57:506:477:34
7:26
#3440
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi1264119811981649(Top 6%)1575(Top 10%)1575(Top 70%)
10K6.21 mi3.10 mi1439-1751372-1741372-1741705(Top 6%)1631(Top 11%)1631(Top 73%)
15K9.32 mi3.11 mi1476-371408-361408-361649(Top 6%)1575(Top 10%)1575(Top 70%)
20K12.43 mi3.11 mi1524-481455-471455-471651(Top 6%)1580(Top 10%)1580(Top 71%)
Half13.11 mi0.68 mi1545-211476-211476-212037(Top 8%)1960(Top 13%)1960(Top 87%)
25K15.53 mi2.42 mi1589-441521-451521-452004(Top 8%)1919(Top 13%)1919(Top 86%)
30K18.64 mi3.11 mi1828-2391749-2281749-2283568(Top 13%)3350(Top 22%)3350(Top 149%)
20M20.00 mi1.36 mi1997-1691913-1641913-1644901(Top 18%)4456(Top 29%)4456(Top 199%)
21M21.00 mi1.00 mi2188-1912097-1842097-1846497(Top 24%)5535(Top 36%)5535(Top 247%)
35K21.75 mi0.75 mi2307-1192210-1132210-1137104(Top 27%)5944(Top 39%)5944(Top 265%)
23M23.00 mi1.25 mi2564-2572451-2412451-2419094(Top 34%)6993(Top 46%)6993(Top 312%)
24M24.00 mi1.00 mi2897-3332753-3022753-30210223(Top 38%)7496(Top 49%)7496(Top 334%)
40K24.85 mi0.85 mi3150-2532984-2312984-23110196(Top 38%)7417(Top 49%)7417(Top 331%)
25.2M25.20 mi0.35 mi3246-963070-863070-868824(Top 33%)6597(Top 43%)6597(Top 294%)
Finish26.22 mi1.02 mi3440-1943243-1733243-1737909(Top 30%)6101(Top 40%)6101(Top 272%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21story building
+97ft-345ft

Overall

1649

Males

1575

M40-44

1575

5K→10K

3.1 - 6.2 mi

Top 6%
×5story building
+79ft-138ft

Overall

1705

Males

1631

M40-44

1631

10K→15K

6.2 - 9.3 mi

Top 6%
×3story building
+67ft-78ft

Overall

1649

Males

1575

M40-44

1575

15K→20K

9.3 - 12.4 mi

Top 6%
×5story building
+106ft-86ft

Overall

1651

Males

1580

M40-44

1580

20K→Half

12.4 - 13.1 mi

Top 8%
×2story building
+19ft-37ft

Overall

2037

Males

1960

M40-44

1960

Half→25K

13.1 - 15.5 mi

Top 8%
×4story building
+66ft-88ft

Overall

2004

Males

1919

M40-44

1919

25K→30K

15.5 - 18.6 mi

Top 13%
×9story building
+181ft-148ft

Overall

3568

Males

3350

M40-44

3350

30K→20M

18.6 - 20.0 mi

Top 18%
×5story building
+64ft-50ft

Overall

4901

Males

4456

M40-44

4456

20M→21M

20.0 - 21.0 mi

Top 24%
×8story building
+106ft-24ft

Overall

6497

Males

5535

M40-44

5535

21M→35K

21.0 - 21.8 mi

Top 27%
×7story building
+17ft-86ft

Overall

7104

Males

5944

M40-44

5944

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

9094

Males

6993

M40-44

6993

23M→24M

23.0 - 24.0 mi

Top 38%
×6story building
+12ft-82ft

Overall

10223

Males

7496

M40-44

7496

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10196

Males

7417

M40-44

7417

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

8824

Males

6597

M40-44

6597

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2story building
+22ft-21ft

Overall

7909

Males

6101

M40-44

6101

Passing Analysis

Category:
Athletes Passed
181
Passed By
2357
Net Change
-2176
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1264
5K → 10K27202-175#1264#1439
10K → 15K3269-37#1439#1476
15K → 20K3078-48#1476#1524
20K → Half324-21#1524#1545
Half → 25K2771-44#1545#1589
25K → 30K15254-239#1589#1828
30K → 20M8177-169#1828#1997
20M → 21M4195-191#1997#2188
21M → 35K3122-119#2188#2307
35K → 23M8265-257#2307#2564
23M → 24M2335-333#2564#2897
24M → 40K9262-253#2897#3150
40K → 25.2M5101-96#3150#3246
25.2M → Finish8202-194#3246#3440
TOTALS1812357-2176
📊

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