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BOSTON MARATHON 2023

Mat Stiver-Balla

Bib: 8737•M

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Overall
#0 / 26622
Top 15%
Gender (Male)
#0 / 15176
Top 25%
Division (M18-39)
#0 / 5285
Top 49%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:58
Rank: #1928
Start → 5K
19:58 | 6:26/mi
10K· 6.21 mi
39:41
Rank: #1932 (-4)
5K → 10K
19:43 | 6:21/mi
15K· 9.32 mi
59:52
Rank: #2118 (-186)
10K → 15K
20:11 | 6:30/mi
20K· 12.43 mi
1:20:52
Rank: #2491 (-373)
15K → 20K
21:00 | 6:46/mi
Half· 13.11 mi
1:25:29
Rank: #2586 (-95)
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:42:13
Rank: #2866 (-280)
Half → 25K
16:44 | 6:54/mi
30K· 18.64 mi
2:04:26
Rank: #3244 (-378)
25K → 30K
22:13 | 7:09/mi
20M
2:14:20
Rank: #3427 (-183)
30K → 20M
9:54 | 7:17/mi
21M
2:22:03
Rank: #3574 (-147)
20M → 21M
7:43 | 7:43/mi
35K· 21.75 mi
2:27:23
Rank: #3674 (-100)
21M → 35K
5:20 | 7:08/mi
23M
2:36:25
Rank: #3764 (-90)
35K → 23M
9:02 | 7:13/mi
24M
2:43:29
Rank: #3833 (-69)
23M → 24M
7:04 | 7:04/mi
40K· 24.85 mi
2:49:45
Rank: #3947 (-114)
24M → 40K
6:16 | 7:20/mi
25.2M
2:52:24
Rank: #3956 (-9)
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
2:59:24
Rank: #3997 (-41)
25.2M → Finish
7:00 | 6:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:29
Pace6:31 /mi
2nd Half
Distance13.11 mi
Time1:33:55
Pace7:10 /mi
📊Positive Split: 9.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:2119:586:2619:58
6:26
-
10K
6.21 mi11:05:0439:416:2319:43
6:21
-0:05
15K
9.32 mi11:25:1559:526:2520:11
6:30
+0:09
20K
12.43 mi11:46:151:20:526:3021:00
6:46
+0:16
Half
13.11 mi11:50:521:25:296:314:37
6:46
0:00
25K
15.53 mi12:07:361:42:136:3516:44
6:54
+0:08
30K
18.64 mi12:29:492:04:266:4122:13
7:09
+0:15
20M
20.00 mi12:39:432:14:206:439:54
7:17
+0:08
21M
21.00 mi12:47:262:22:036:467:43
7:43
+0:26
35K
21.75 mi12:52:462:27:236:475:20
7:08
-0:35
23M
23.00 mi13:01:482:36:256:489:02
7:13
+0:05
24M
24.00 mi13:08:522:43:296:497:04
7:04
-0:09
40K
24.85 mi13:15:082:49:456:506:16
7:20
+0:16
25.2M
25.20 mi13:17:472:52:246:502:39
7:41
+0:21
Finish
26.22 mi13:24:472:59:246:517:00
6:52
-0:49

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

6:21 /mi

Average Pace

6:51 /mi

Slowest Pace

7:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:29

52% of race

Time at Steady Pace

1:00:23

34% of race

Time at Slower Pace

26:32

15% of race

Average Pace: 6:51 /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 mi10:45:2119:586:2619:58
6:26
#1928
10K
6.21 mi11:05:0439:416:2319:43
6:21
#1932
15K
9.32 mi11:25:1559:526:2520:11
6:30
#2118
20K
12.43 mi11:46:151:20:526:3021:00
6:46
#2491
Half
13.11 mi11:50:521:25:296:314:37
6:46
#2586
25K
15.53 mi12:07:361:42:136:3516:44
6:54
#2866
30K
18.64 mi12:29:492:04:266:4122:13
7:09
#3244
20M
20.00 mi12:39:432:14:206:439:54
7:17
#3427
21M
21.00 mi12:47:262:22:036:467:43
7:43
#3574
35K
21.75 mi12:52:462:27:236:475:20
7:08
#3674
23M
23.00 mi13:01:482:36:256:489:02
7:13
#3764
24M
24.00 mi13:08:522:43:296:497:04
7:04
#3833
40K
24.85 mi13:15:082:49:456:506:16
7:20
#3947
25.2M
25.20 mi13:17:472:52:246:502:39
7:41
#3956
Finish
26.22 mi13:24:472:59:246:517:00
6:52
#3997
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1928183918392621(Top 10%)2510(Top 17%)2510(Top 47%)
10K6.21 mi3.10 mi1932-41849-101849-101973(Top 7%)1890(Top 12%)1890(Top 36%)
15K9.32 mi3.11 mi2118-1862031-1822031-1822621(Top 10%)2510(Top 17%)2510(Top 47%)
20K12.43 mi3.11 mi2491-3732385-3542385-3544069(Top 15%)3815(Top 25%)3815(Top 72%)
Half13.11 mi0.68 mi2586-952476-912476-914918(Top 18%)4550(Top 30%)4550(Top 86%)
25K15.53 mi2.42 mi2866-2802739-2632739-2634953(Top 19%)4582(Top 30%)4582(Top 87%)
30K18.64 mi3.11 mi3244-3783087-3483087-3485209(Top 20%)4761(Top 31%)4761(Top 90%)
20M20.00 mi1.36 mi3427-1833243-1563243-1565527(Top 21%)4939(Top 33%)4939(Top 93%)
21M21.00 mi1.00 mi3574-1473382-1393382-1395684(Top 21%)4956(Top 33%)4956(Top 94%)
35K21.75 mi0.75 mi3674-1003467-853467-856024(Top 23%)5232(Top 34%)5232(Top 99%)
23M23.00 mi1.25 mi3764-903545-783545-784848(Top 18%)4347(Top 29%)4347(Top 82%)
24M24.00 mi1.00 mi3833-693601-563601-564988(Top 19%)4406(Top 29%)4406(Top 83%)
40K24.85 mi0.85 mi3947-1143695-943695-945593(Top 21%)4740(Top 31%)4740(Top 90%)
25.2M25.20 mi0.35 mi3956-93703-83703-84746(Top 18%)4099(Top 27%)4099(Top 78%)
Finish26.22 mi1.02 mi3997-413741-383741-384436(Top 17%)3869(Top 25%)3869(Top 73%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2621

Males

2510

M18-39

2510

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

1973

Males

1890

M18-39

1890

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2621

Males

2510

M18-39

2510

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

4069

Males

3815

M18-39

3815

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

4918

Males

4550

M18-39

4550

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

4953

Males

4582

M18-39

4582

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5209

Males

4761

M18-39

4761

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

5527

Males

4939

M18-39

4939

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5684

Males

4956

M18-39

4956

21M→35K

21.0 - 21.8 mi

Top 23%
×7stories
+17ft-86ft

Overall

6024

Males

5232

M18-39

5232

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

4848

Males

4347

M18-39

4347

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

4988

Males

4406

M18-39

4406

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5593

Males

4740

M18-39

4740

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4746

Males

4099

M18-39

4099

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2stories
+22ft-21ft

Overall

4436

Males

3869

M18-39

3869

Passing Analysis

Category:
Athletes Passed
365
Passed By
2434
Net Change
-2069
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1928
5K → 10K99103-4#1928#1932
10K → 15K21207-186#1932#2118
15K → 20K13386-373#2118#2491
20K → Half196-95#2491#2586
Half → 25K7287-280#2586#2866
25K → 30K22400-378#2866#3244
30K → 20M23206-183#3244#3427
20M → 21M20167-147#3427#3574
21M → 35K13113-100#3574#3674
35K → 23M38128-90#3674#3764
23M → 24M3099-69#3764#3833
24M → 40K24138-114#3833#3947
40K → 25.2M2130-9#3947#3956
25.2M → Finish3374-41#3956#3997
TOTALS3652434-2069
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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