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BOSTON MARATHON 2023

Steven Sprieser

Bib: 2261•M

IL

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 1%
Gender (Male)
#0 / 15176
Top 2%
Division (M18-39)
#0 / 5285
Top 4%
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
5:55/mi
18:23
↑ 97↓ 3451.5%
10K· 6.21 mi
5:45/mi
36:14
↑ 79↓ 1380.4%
15K· 9.32 mi
5:50/mi
54:22
↑ 67↓ 78
20K· 12.43 mi
5:54/mi
1:12:42
↑ 106↓ 860.1%
Half· 13.11 mi
5:50/mi
1:16:41
↑ 19↓ 370.5%
25K· 15.53 mi
5:53/mi
1:30:56
↑ 66↓ 880.2%
30K· 18.64 mi
5:59/mi
1:49:32
↑ 181↓ 1480.2%
20M
5:58/mi
1:57:38
↑ 64↓ 500.2%
21M
6:17/mi
2:03:55
↑ 106↓ 241.6%
35K· 21.75 mi
5:52/mi
2:08:18
↑ 17↓ 861.7%
23M
5:54/mi
2:15:41
↑ 23↓ 630.6%
24M
5:43/mi
2:21:24
↓ 821.3%
40K· 24.85 mi
5:45/mi
2:26:19
↓ 200.3%
25.2M
6:08/mi
2:28:26
↑ 13↓ 160.2%
Finish· 26.22 mi
5:34/mi
2:34:06
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:16:41
Pace5:51 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:17:25
Pace5:54 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:3018:235:5518:23
5:55
-
10K
6.21 mi10:37:2136:145:5017:51
5:45
-0:10
15K
9.32 mi10:55:2954:225:5018:08
5:50
+0:05
20K
12.43 mi11:13:491:12:425:5118:20
5:54
+0:04
Half
13.11 mi11:17:481:16:415:513:59
5:50
-0:04
25K
15.53 mi11:32:031:30:565:5114:15
5:53
+0:03
30K
18.64 mi11:50:391:49:325:5318:36
5:59
+0:06
20M
20.00 mi11:58:451:57:385:538:06
5:58
-0:01
21M
21.00 mi12:05:022:03:555:546:17
6:17
+0:19
35K
21.75 mi12:09:252:08:185:544:23
5:52
-0:25
23M
23.00 mi12:16:482:15:415:547:23
5:54
+0:02
24M
24.00 mi12:22:312:21:245:545:43
5:43
-0:11
40K
24.85 mi12:27:262:26:195:534:55
5:45
+0:02
25.2M
25.20 mi12:29:332:28:265:532:07
6:08
+0:23
Finish
26.22 mi12:35:132:34:065:535:40
5:34
-0:34

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

5:34 /mi

Average Pace

5:53 /mi

Slowest Pace

6:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:25:42

95% of race

Time at Steady Pace

8:24

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:53 /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 mi10:19:3018:235:5518:23
5:55
#551
10K
6.21 mi10:37:2136:145:5017:51
5:45
#440
15K
9.32 mi10:55:2954:225:5018:08
5:50
#425
20K
12.43 mi11:13:491:12:425:5118:20
5:54
#416
Half
13.11 mi11:17:481:16:415:513:59
5:50
#414
25K
15.53 mi11:32:031:30:565:5114:15
5:53
#407
30K
18.64 mi11:50:391:49:325:5318:36
5:59
#385
20M
20.00 mi11:58:451:57:385:538:06
5:58
#374
21M
21.00 mi12:05:022:03:555:546:17
6:17
#369
35K
21.75 mi12:09:252:08:185:544:23
5:52
#371
23M
23.00 mi12:16:482:15:415:547:23
5:54
#348
24M
24.00 mi12:22:312:21:245:545:43
5:43
#336
40K
24.85 mi12:27:262:26:195:534:55
5:45
#316
25.2M
25.20 mi12:29:332:28:265:532:07
6:08
#309
Finish
26.22 mi12:35:132:34:065:535:40
5:34
#279
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi551508508411(Top 2%)377(Top 2%)377(Top 7%)
10K6.21 mi3.10 mi440+111405+103405+103370(Top 1%)335(Top 2%)335(Top 6%)
15K9.32 mi3.11 mi425+15390+15390+15411(Top 2%)377(Top 2%)377(Top 7%)
20K12.43 mi3.11 mi416+9381+9381+9417(Top 2%)383(Top 3%)383(Top 7%)
Half13.11 mi0.68 mi414+2379+2379+2429(Top 2%)397(Top 3%)397(Top 8%)
25K15.53 mi2.42 mi407+7372+7372+7358(Top 1%)330(Top 2%)330(Top 6%)
30K18.64 mi3.11 mi385+22353+19353+19370(Top 1%)339(Top 2%)339(Top 6%)
20M20.00 mi1.36 mi374+11342+11342+11302(Top 1%)277(Top 2%)277(Top 5%)
21M21.00 mi1.00 mi369+5337+5337+5325(Top 1%)298(Top 2%)298(Top 6%)
35K21.75 mi0.75 mi371-2339-2339-2438(Top 2%)404(Top 3%)404(Top 8%)
23M23.00 mi1.25 mi348+23317+22317+22209(Top 0.8%)185(Top 1%)185(Top 4%)
24M24.00 mi1.00 mi336+12305+12305+12184(Top 0.7%)161(Top 1%)161(Top 3%)
40K24.85 mi0.85 mi316+20286+19286+19115(Top 0.4%)101(Top 0.7%)101(Top 2%)
25.2M25.20 mi0.35 mi309+7279+7279+7132(Top 0.5%)117(Top 0.8%)117(Top 2%)
Finish26.22 mi1.02 mi279+30251+28251+28125(Top 0.5%)112(Top 0.7%)112(Top 2%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21story building
+97ft-345ft

Overall

411

Males

377

M18-39

377

5K→10K

3.1 - 6.2 mi

Top 1%
×5story building
+79ft-138ft

Overall

370

Males

335

M18-39

335

10K→15K

6.2 - 9.3 mi

Top 2%
×3story building
+67ft-78ft

Overall

411

Males

377

M18-39

377

15K→20K

9.3 - 12.4 mi

Top 2%
×5story building
+106ft-86ft

Overall

417

Males

383

M18-39

383

20K→Half

12.4 - 13.1 mi

Top 2%
×2story building
+19ft-37ft

Overall

429

Males

397

M18-39

397

Half→25K

13.1 - 15.5 mi

Top 1%
×4story building
+66ft-88ft

Overall

358

Males

330

M18-39

330

25K→30K

15.5 - 18.6 mi

Top 1%
×9story building
+181ft-148ft

Overall

370

Males

339

M18-39

339

30K→20M

18.6 - 20.0 mi

Top 1%
×5story building
+64ft-50ft

Overall

302

Males

277

M18-39

277

20M→21M

20.0 - 21.0 mi

Top 1%
×8story building
+106ft-24ft

Overall

325

Males

298

M18-39

298

21M→35K

21.0 - 21.8 mi

Top 2%
×7story building
+17ft-86ft

Overall

438

Males

404

M18-39

404

35K→23M

21.8 - 23.0 mi

Top 0.8%
×5story building
+23ft-63ft

Overall

209

Males

185

M18-39

185

23M→24M

23.0 - 24.0 mi

Top 0.7%
×6story building
+12ft-82ft

Overall

184

Males

161

M18-39

161

24M→40K

24.0 - 24.9 mi

Top 0.4%
×1story
+6ft-20ft

Overall

115

Males

101

M18-39

101

40K→25.2M

24.9 - 25.2 mi

Top 0.5%
×1story
+13ft-16ft

Overall

132

Males

117

M18-39

117

25.2M→Finish

25.2 - 26.2 mi

Top 0.5%
×2story building
+22ft-21ft

Overall

125

Males

112

M18-39

112

Passing Analysis

Category:
Athletes Passed
309
Passed By
37
Net Change
+272
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#551
5K → 10K1121+111#551#440
10K → 15K227+15#440#425
15K → 20K167+9#425#416
20K → Half31+2#416#414
Half → 25K103+7#414#407
25K → 30K308+22#407#385
30K → 20M121+11#385#374
20M → 21M94+5#374#369
21M → 35K24-2#369#371
35K → 23M230+23#371#348
23M → 24M120+12#348#336
24M → 40K200+20#336#316
40K → 25.2M70+7#316#309
25.2M → Finish311+30#309#279
TOTALS30937+272
📊

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