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BOSTON MARATHON 2023

Thomas Stromme

Bib: 3800•M

ND

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 20%
Gender (Male)
#0 / 15176
Top 32%
Division (M18-39)
#0 / 5285
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
6:50/mi
21:14
↑ 97↓ 3451.5%
10K· 6.21 mi
6:47/mi
42:20
↑ 79↓ 1380.4%
15K· 9.32 mi
6:45/mi
1:03:19
↑ 67↓ 78
20K· 12.43 mi
6:49/mi
1:24:31
↑ 106↓ 860.1%
Half· 13.11 mi
6:46/mi
1:29:08
↑ 19↓ 370.5%
25K· 15.53 mi
6:52/mi
1:45:48
↑ 66↓ 880.2%
30K· 18.64 mi
7:07/mi
2:07:55
↑ 181↓ 1480.2%
20M
7:15/mi
2:17:46
↑ 64↓ 500.2%
21M
7:50/mi
2:25:36
↑ 106↓ 241.6%
35K· 21.75 mi
7:08/mi
2:30:56
↑ 17↓ 861.7%
23M
7:30/mi
2:40:20
↑ 23↓ 630.6%
24M
7:36/mi
2:47:56
↓ 821.3%
40K· 24.85 mi
7:58/mi
2:54:45
↓ 200.3%
25.2M
8:42/mi
2:57:45
↑ 13↓ 160.2%
Finish· 26.22 mi
7:48/mi
3:05:42
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:08
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time1:36:34
Pace7:22 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:4221:146:5021:14
6:50
-
10K
6.21 mi10:43:4842:206:4921:06
6:47
-0:03
15K
9.32 mi11:04:471:03:196:4820:59
6:45
-0:02
20K
12.43 mi11:25:591:24:316:4821:12
6:49
+0:04
Half
13.11 mi11:30:361:29:086:484:37
6:46
-0:03
25K
15.53 mi11:47:161:45:486:4916:40
6:52
+0:06
30K
18.64 mi12:09:232:07:556:5222:07
7:07
+0:15
20M
20.00 mi12:19:142:17:466:539:51
7:15
+0:08
21M
21.00 mi12:27:042:25:366:567:50
7:50
+0:35
35K
21.75 mi12:32:242:30:566:565:20
7:08
-0:42
23M
23.00 mi12:41:482:40:206:589:24
7:30
+0:22
24M
24.00 mi12:49:242:47:567:007:36
7:36
+0:06
40K
24.85 mi12:56:132:54:457:026:49
7:58
+0:22
25.2M
25.20 mi12:59:132:57:457:033:00
8:42
+0:44
Finish
26.22 mi13:07:103:05:427:057:57
7:48
-0:54

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

6:45 /mi

Average Pace

7:05 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:29:08

48% of race

Time at Steady Pace

53:58

29% of race

Time at Slower Pace

42:36

23% of race

Average Pace: 7:05 /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 mi10:22:4221:146:5021:14
6:50
#5000
10K
6.21 mi10:43:4842:206:4921:06
6:47
#5074
15K
9.32 mi11:04:471:03:196:4820:59
6:45
#4940
20K
12.43 mi11:25:591:24:316:4821:12
6:49
#4856
Half
13.11 mi11:30:361:29:086:484:37
6:46
#4857
25K
15.53 mi11:47:161:45:486:4916:40
6:52
#4803
30K
18.64 mi12:09:232:07:556:5222:07
7:07
#4863
20M
20.00 mi12:19:142:17:466:539:51
7:15
#4888
21M
21.00 mi12:27:042:25:366:567:50
7:50
#4978
35K
21.75 mi12:32:242:30:566:565:20
7:08
#5014
23M
23.00 mi12:41:482:40:206:589:24
7:30
#5055
24M
24.00 mi12:49:242:47:567:007:36
7:36
#5129
40K
24.85 mi12:56:132:54:457:026:49
7:58
#5230
25.2M
25.20 mi12:59:132:57:457:033:00
8:42
#5285
Finish
26.22 mi13:07:103:05:427:057:57
7:48
#5407
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5000464246424661(Top 18%)4354(Top 29%)4354(Top 82%)
10K6.21 mi3.10 mi5074-744702-604702-605211(Top 20%)4820(Top 32%)4820(Top 91%)
15K9.32 mi3.11 mi4940+1344592+1104592+1104661(Top 18%)4354(Top 29%)4354(Top 82%)
20K12.43 mi3.11 mi4856+844522+704522+704668(Top 18%)4346(Top 29%)4346(Top 82%)
Half13.11 mi0.68 mi4857-14523-14523-15012(Top 19%)4644(Top 31%)4644(Top 88%)
25K15.53 mi2.42 mi4803+544471+524471+524774(Top 18%)4431(Top 29%)4431(Top 84%)
30K18.64 mi3.11 mi4863-604524-534524-535045(Top 19%)4636(Top 31%)4636(Top 88%)
20M20.00 mi1.36 mi4888-254540-164540-165358(Top 20%)4820(Top 32%)4820(Top 91%)
21M21.00 mi1.00 mi4978-904610-704610-706320(Top 24%)5424(Top 36%)5424(Top 103%)
35K21.75 mi0.75 mi5014-364636-264636-266042(Top 23%)5250(Top 35%)5250(Top 99%)
23M23.00 mi1.25 mi5055-414655-194655-196431(Top 24%)5453(Top 36%)5453(Top 103%)
24M24.00 mi1.00 mi5129-744715-604715-608348(Top 31%)6510(Top 43%)6510(Top 123%)
40K24.85 mi0.85 mi5230-1014793-784793-789810(Top 37%)7226(Top 48%)7226(Top 137%)
25.2M25.20 mi0.35 mi5285-554832-394832-3910624(Top 40%)7581(Top 50%)7581(Top 143%)
Finish26.22 mi1.02 mi5407-1224929-974929-9710637(Top 40%)7602(Top 50%)7602(Top 144%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21story building
+97ft-345ft

Overall

4661

Males

4354

M18-39

4354

5K→10K

3.1 - 6.2 mi

Top 20%
×5story building
+79ft-138ft

Overall

5211

Males

4820

M18-39

4820

10K→15K

6.2 - 9.3 mi

Top 18%
×3story building
+67ft-78ft

Overall

4661

Males

4354

M18-39

4354

15K→20K

9.3 - 12.4 mi

Top 18%
×5story building
+106ft-86ft

Overall

4668

Males

4346

M18-39

4346

20K→Half

12.4 - 13.1 mi

Top 19%
×2story building
+19ft-37ft

Overall

5012

Males

4644

M18-39

4644

Half→25K

13.1 - 15.5 mi

Top 18%
×4story building
+66ft-88ft

Overall

4774

Males

4431

M18-39

4431

25K→30K

15.5 - 18.6 mi

Top 19%
×9story building
+181ft-148ft

Overall

5045

Males

4636

M18-39

4636

30K→20M

18.6 - 20.0 mi

Top 20%
×5story building
+64ft-50ft

Overall

5358

Males

4820

M18-39

4820

20M→21M

20.0 - 21.0 mi

Top 24%
×8story building
+106ft-24ft

Overall

6320

Males

5424

M18-39

5424

21M→35K

21.0 - 21.8 mi

Top 23%
×7story building
+17ft-86ft

Overall

6042

Males

5250

M18-39

5250

35K→23M

21.8 - 23.0 mi

Top 24%
×5story building
+23ft-63ft

Overall

6431

Males

5453

M18-39

5453

23M→24M

23.0 - 24.0 mi

Top 31%
×6story building
+12ft-82ft

Overall

8348

Males

6510

M18-39

6510

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9810

Males

7226

M18-39

7226

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10624

Males

7581

M18-39

7581

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2story building
+22ft-21ft

Overall

10637

Males

7602

M18-39

7602

Passing Analysis

Category:
Athletes Passed
1008
Passed By
1415
Net Change
-407
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5000
5K → 10K162236-74#5000#5074
10K → 15K19157+134#5074#4940
15K → 20K14561+84#4940#4856
20K → Half2930-1#4856#4857
Half → 25K11662+54#4857#4803
25K → 30K122182-60#4803#4863
30K → 20M5580-25#4863#4888
20M → 21M32122-90#4888#4978
21M → 35K2763-36#4978#5014
35K → 23M5596-41#5014#5055
23M → 24M32106-74#5055#5129
24M → 40K18119-101#5129#5230
40K → 25.2M661-55#5230#5285
25.2M → Finish18140-122#5285#5407
TOTALS10081415-407
📊

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