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BOSTON MARATHON 2023

Thomas Strandness

Bib: 4186•M

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 19%
Gender (Male)
#0 / 15176
Top 30%
Masters (Masters Men)
#0 / 9891
Top 16%
Division (M40-44)
#0 / 2241
Top 38%
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
6:39/mi
20:40
↑ 97↓ 3451.5%
10K· 6.21 mi
6:34/mi
41:04
↑ 79↓ 1380.4%
15K· 9.32 mi
6:33/mi
1:01:25
↑ 67↓ 78
20K· 12.43 mi
6:45/mi
1:22:24
↑ 106↓ 860.1%
Half· 13.11 mi
6:36/mi
1:26:54
↑ 19↓ 370.5%
25K· 15.53 mi
6:45/mi
1:43:16
↑ 66↓ 880.2%
30K· 18.64 mi
7:03/mi
2:05:09
↑ 181↓ 1480.2%
20M
7:29/mi
2:15:20
↑ 64↓ 500.2%
21M
7:29/mi
2:22:49
↑ 106↓ 241.6%
35K· 21.75 mi
7:16/mi
2:28:15
↑ 17↓ 861.7%
23M
7:48/mi
2:38:01
↑ 23↓ 630.6%
24M
7:56/mi
2:45:57
↓ 821.3%
40K· 24.85 mi
8:07/mi
2:52:53
↓ 200.3%
25.2M
8:19/mi
2:55:45
↑ 13↓ 160.2%
Finish· 26.22 mi
7:39/mi
3:03:33
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:54
Pace6:38 /mi
2nd Half
Distance13.11 mi
Time1:36:39
Pace7:22 /mi
📊Positive Split: 11.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:0320:406:3920:40
6:39
-
10K
6.21 mi10:43:2741:046:3720:24
6:34
-0:05
15K
9.32 mi11:03:481:01:256:3520:21
6:33
-0:01
20K
12.43 mi11:24:471:22:246:3820:59
6:45
+0:12
Half
13.11 mi11:29:171:26:546:384:30
6:36
-0:09
25K
15.53 mi11:45:391:43:166:3916:22
6:45
+0:09
30K
18.64 mi12:07:322:05:096:4321:53
7:03
+0:18
20M
20.00 mi12:17:432:15:206:4610:11
7:29
+0:26
21M
21.00 mi12:25:122:22:496:487:29
7:29
0:00
35K
21.75 mi12:30:382:28:156:495:26
7:16
-0:13
23M
23.00 mi12:40:242:38:016:529:46
7:48
+0:32
24M
24.00 mi12:48:202:45:576:557:56
7:56
+0:08
40K
24.85 mi12:55:162:52:536:576:56
8:07
+0:11
25.2M
25.20 mi12:58:082:55:456:582:52
8:19
+0:12
Finish
26.22 mi13:05:563:03:337:007:48
7:39
-0:40

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

6:33 /mi

Average Pace

7:00 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:16

56% of race

Time at Steady Pace

44:59

25% of race

Time at Slower Pace

35:18

19% of race

Average Pace: 7:00 /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 mi10:23:0320:406:3920:40
6:39
#3259
10K
6.21 mi10:43:2741:046:3720:24
6:34
#3233
15K
9.32 mi11:03:481:01:256:3520:21
6:33
#3118
20K
12.43 mi11:24:471:22:246:3820:59
6:45
#3312
Half
13.11 mi11:29:171:26:546:384:30
6:36
#3307
25K
15.53 mi11:45:391:43:166:3916:22
6:45
#3344
30K
18.64 mi12:07:322:05:096:4321:53
7:03
#3562
20M
20.00 mi12:17:432:15:206:4610:11
7:29
#3838
21M
21.00 mi12:25:122:22:496:487:29
7:29
#3875
35K
21.75 mi12:30:382:28:156:495:26
7:16
#4027
23M
23.00 mi12:40:242:38:016:529:46
7:48
#4357
24M
24.00 mi12:48:202:45:576:557:56
7:56
#4632
40K
24.85 mi12:55:162:52:536:576:56
8:07
#4811
25.2M
25.20 mi12:58:082:55:456:582:52
8:19
#4848
Finish
26.22 mi13:05:563:03:337:007:48
7:39
#4952
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3259307830782940(Top 11%)2811(Top 19%)2811(Top 125%)
10K6.21 mi3.10 mi3233+263066+123066+123251(Top 12%)3097(Top 20%)3097(Top 138%)
15K9.32 mi3.11 mi3118+1152970+962970+962940(Top 11%)2811(Top 19%)2811(Top 125%)
20K12.43 mi3.11 mi3312-1943149-1793149-1794027(Top 15%)3781(Top 25%)3781(Top 169%)
Half13.11 mi0.68 mi3307+53145+43145+43449(Top 13%)3280(Top 22%)3280(Top 146%)
25K15.53 mi2.42 mi3344-373178-333178-333765(Top 14%)3545(Top 23%)3545(Top 158%)
30K18.64 mi3.11 mi3562-2183372-1943372-1944630(Top 17%)4282(Top 28%)4282(Top 191%)
20M20.00 mi1.36 mi3838-2763616-2443616-2446710(Top 25%)5770(Top 38%)5770(Top 257%)
21M21.00 mi1.00 mi3875-373648-323648-324529(Top 17%)4117(Top 27%)4117(Top 184%)
35K21.75 mi0.75 mi4027-1523779-1313779-1316848(Top 26%)5782(Top 38%)5782(Top 258%)
23M23.00 mi1.25 mi4357-3304072-2934072-2938374(Top 31%)6616(Top 44%)6616(Top 295%)
24M24.00 mi1.00 mi4632-2754312-2404312-24010724(Top 40%)7747(Top 51%)7747(Top 346%)
40K24.85 mi0.85 mi4811-1794450-1384450-13810711(Top 40%)7687(Top 51%)7687(Top 343%)
25.2M25.20 mi0.35 mi4848-374473-234473-238258(Top 31%)6290(Top 41%)6290(Top 281%)
Finish26.22 mi1.02 mi4952-1044554-814554-819614(Top 36%)7065(Top 47%)7065(Top 315%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21story building
+97ft-345ft

Overall

2940

Males

2811

M40-44

2811

5K→10K

3.1 - 6.2 mi

Top 12%
×5story building
+79ft-138ft

Overall

3251

Males

3097

M40-44

3097

10K→15K

6.2 - 9.3 mi

Top 11%
×3story building
+67ft-78ft

Overall

2940

Males

2811

M40-44

2811

15K→20K

9.3 - 12.4 mi

Top 15%
×5story building
+106ft-86ft

Overall

4027

Males

3781

M40-44

3781

20K→Half

12.4 - 13.1 mi

Top 13%
×2story building
+19ft-37ft

Overall

3449

Males

3280

M40-44

3280

Half→25K

13.1 - 15.5 mi

Top 14%
×4story building
+66ft-88ft

Overall

3765

Males

3545

M40-44

3545

25K→30K

15.5 - 18.6 mi

Top 17%
×9story building
+181ft-148ft

Overall

4630

Males

4282

M40-44

4282

30K→20M

18.6 - 20.0 mi

Top 25%
×5story building
+64ft-50ft

Overall

6710

Males

5770

M40-44

5770

20M→21M

20.0 - 21.0 mi

Top 17%
×8story building
+106ft-24ft

Overall

4529

Males

4117

M40-44

4117

21M→35K

21.0 - 21.8 mi

Top 26%
×7story building
+17ft-86ft

Overall

6848

Males

5782

M40-44

5782

35K→23M

21.8 - 23.0 mi

Top 31%
×5story building
+23ft-63ft

Overall

8374

Males

6616

M40-44

6616

23M→24M

23.0 - 24.0 mi

Top 40%
×6story building
+12ft-82ft

Overall

10724

Males

7747

M40-44

7747

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10711

Males

7687

M40-44

7687

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8258

Males

6290

M40-44

6290

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2story building
+22ft-21ft

Overall

9614

Males

7065

M40-44

7065

Passing Analysis

Category:
Athletes Passed
643
Passed By
2336
Net Change
-1693
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3259
5K → 10K175149+26#3259#3233
10K → 15K16146+115#3233#3118
15K → 20K39233-194#3118#3312
20K → Half2520+5#3312#3307
Half → 25K6198-37#3307#3344
25K → 30K37255-218#3344#3562
30K → 20M16292-276#3562#3838
20M → 21M5491-37#3838#3875
21M → 35K10162-152#3875#4027
35K → 23M17347-330#4027#4357
23M → 24M7282-275#4357#4632
24M → 40K12191-179#4632#4811
40K → 25.2M946-37#4811#4848
25.2M → Finish20124-104#4848#4952
TOTALS6432336-1693
📊

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