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BOSTON MARATHON 2023

Jan Tryzna

Bib: 8558•M

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
6:41/mi
20:47
↑ 97↓ 3451.5%
10K· 6.21 mi
6:40/mi
41:31
↑ 79↓ 1380.4%
15K· 9.32 mi
6:50/mi
1:02:44
↑ 67↓ 78
20K· 12.43 mi
6:49/mi
1:23:55
↑ 106↓ 860.1%
Half· 13.11 mi
6:49/mi
1:28:34
↑ 19↓ 370.5%
25K· 15.53 mi
6:52/mi
1:45:14
↑ 66↓ 880.2%
30K· 18.64 mi
7:10/mi
2:07:31
↑ 181↓ 1480.2%
20M
7:14/mi
2:17:21
↑ 64↓ 500.2%
21M
7:47/mi
2:25:08
↑ 106↓ 241.6%
35K· 21.75 mi
7:02/mi
2:30:24
↑ 17↓ 861.7%
23M
7:26/mi
2:39:42
↑ 23↓ 630.6%
24M
7:15/mi
2:46:57
↓ 821.3%
40K· 24.85 mi
7:28/mi
2:53:20
↓ 200.3%
25.2M
7:56/mi
2:56:04
↑ 13↓ 160.2%
Finish· 26.22 mi
7:21/mi
3:03:33
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:34
Pace6:45 /mi
2nd Half
Distance13.11 mi
Time1:34:59
Pace7:15 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:0720:476:4120:47
6:41
-
10K
6.21 mi11:06:5141:316:4120:44
6:40
-0:01
15K
9.32 mi11:28:041:02:446:4421:13
6:50
+0:10
20K
12.43 mi11:49:151:23:556:4521:11
6:49
-0:01
Half
13.11 mi11:53:541:28:346:454:39
6:49
0:00
25K
15.53 mi12:10:341:45:146:4616:40
6:52
+0:03
30K
18.64 mi12:32:512:07:316:5022:17
7:10
+0:18
20M
20.00 mi12:42:412:17:216:529:50
7:14
+0:04
21M
21.00 mi12:50:282:25:086:557:47
7:47
+0:33
35K
21.75 mi12:55:442:30:246:555:16
7:02
-0:45
23M
23.00 mi13:05:022:39:426:579:18
7:26
+0:24
24M
24.00 mi13:12:172:46:576:577:15
7:15
-0:11
40K
24.85 mi13:18:402:53:206:586:23
7:28
+0:13
25.2M
25.20 mi13:21:242:56:046:592:44
7:56
+0:28
Finish
26.22 mi13:28:533:03:337:007:29
7:21
-0:35

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

6:40 /mi

Average Pace

7:00 /mi

Slowest Pace

7:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:29:52

82% of race

Time at Steady Pace

30:57

17% of race

Time at Slower Pace

2:44

1% 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 mi10:46:0720:476:4120:47
6:41
#3593
10K
6.21 mi11:06:5141:316:4120:44
6:40
#3786
15K
9.32 mi11:28:041:02:446:4421:13
6:50
#4324
20K
12.43 mi11:49:151:23:556:4521:11
6:49
#4371
Half
13.11 mi11:53:541:28:346:454:39
6:49
#4423
25K
15.53 mi12:10:341:45:146:4616:40
6:52
#4445
30K
18.64 mi12:32:512:07:316:5022:17
7:10
#4679
20M
20.00 mi12:42:412:17:216:529:50
7:14
#4741
21M
21.00 mi12:50:282:25:086:557:47
7:47
#4814
35K
21.75 mi12:55:442:30:246:555:16
7:02
#4836
23M
23.00 mi13:05:022:39:426:579:18
7:26
#4880
24M
24.00 mi13:12:172:46:576:577:15
7:15
#4894
40K
24.85 mi13:18:402:53:206:586:23
7:28
#4923
25.2M
25.20 mi13:21:242:56:046:592:44
7:56
#4923
Finish
26.22 mi13:28:533:03:337:007:29
7:21
#4951
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3593338633865376(Top 20%)4961(Top 33%)4961(Top 221%)
10K6.21 mi3.10 mi3786-1933566-1803566-1804088(Top 15%)3839(Top 25%)3839(Top 171%)
15K9.32 mi3.11 mi4324-5384050-4844050-4845376(Top 20%)4961(Top 33%)4961(Top 221%)
20K12.43 mi3.11 mi4371-474091-414091-414614(Top 17%)4299(Top 28%)4299(Top 192%)
Half13.11 mi0.68 mi4423-524140-494140-495360(Top 20%)4943(Top 33%)4943(Top 221%)
25K15.53 mi2.42 mi4445-224158-184158-184769(Top 18%)4426(Top 29%)4426(Top 198%)
30K18.64 mi3.11 mi4679-2344363-2054363-2055338(Top 20%)4868(Top 32%)4868(Top 217%)
20M20.00 mi1.36 mi4741-624415-524415-525282(Top 20%)4757(Top 31%)4757(Top 212%)
21M21.00 mi1.00 mi4814-734472-574472-576063(Top 23%)5232(Top 34%)5232(Top 233%)
35K21.75 mi0.75 mi4836-224490-184490-185530(Top 21%)4893(Top 32%)4893(Top 218%)
23M23.00 mi1.25 mi4880-444520-304520-305999(Top 23%)5177(Top 34%)5177(Top 231%)
24M24.00 mi1.00 mi4894-144525-54525-56008(Top 23%)5106(Top 34%)5106(Top 228%)
40K24.85 mi0.85 mi4923-294536-114536-116453(Top 24%)5299(Top 35%)5299(Top 236%)
25.2M25.20 mi0.35 mi49234534+24534+25999(Top 23%)4930(Top 32%)4930(Top 220%)
Finish26.22 mi1.02 mi4951-284553-194553-197368(Top 28%)5778(Top 38%)5778(Top 258%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21story building
+97ft-345ft

Overall

5376

Males

4961

M40-44

4961

5K→10K

3.1 - 6.2 mi

Top 15%
×5story building
+79ft-138ft

Overall

4088

Males

3839

M40-44

3839

10K→15K

6.2 - 9.3 mi

Top 20%
×3story building
+67ft-78ft

Overall

5376

Males

4961

M40-44

4961

15K→20K

9.3 - 12.4 mi

Top 17%
×5story building
+106ft-86ft

Overall

4614

Males

4299

M40-44

4299

20K→Half

12.4 - 13.1 mi

Top 20%
×2story building
+19ft-37ft

Overall

5360

Males

4943

M40-44

4943

Half→25K

13.1 - 15.5 mi

Top 18%
×4story building
+66ft-88ft

Overall

4769

Males

4426

M40-44

4426

25K→30K

15.5 - 18.6 mi

Top 20%
×9story building
+181ft-148ft

Overall

5338

Males

4868

M40-44

4868

30K→20M

18.6 - 20.0 mi

Top 20%
×5story building
+64ft-50ft

Overall

5282

Males

4757

M40-44

4757

20M→21M

20.0 - 21.0 mi

Top 23%
×8story building
+106ft-24ft

Overall

6063

Males

5232

M40-44

5232

21M→35K

21.0 - 21.8 mi

Top 21%
×7story building
+17ft-86ft

Overall

5530

Males

4893

M40-44

4893

35K→23M

21.8 - 23.0 mi

Top 23%
×5story building
+23ft-63ft

Overall

5999

Males

5177

M40-44

5177

23M→24M

23.0 - 24.0 mi

Top 23%
×6story building
+12ft-82ft

Overall

6008

Males

5106

M40-44

5106

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6453

Males

5299

M40-44

5299

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

5999

Males

4930

M40-44

4930

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2story building
+22ft-21ft

Overall

7368

Males

5778

M40-44

5778

Passing Analysis

Category:
Athletes Passed
702
Passed By
2060
Net Change
-1358
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3593
5K → 10K134327-193#3593#3786
10K → 15K19557-538#3786#4324
15K → 20K84131-47#4324#4371
20K → Half860-52#4371#4423
Half → 25K83105-22#4423#4445
25K → 30K65299-234#4445#4679
30K → 20M50112-62#4679#4741
20M → 21M33106-73#4741#4814
21M → 35K3658-22#4814#4836
35K → 23M63107-44#4836#4880
23M → 24M4357-14#4880#4894
24M → 40K3463-29#4894#4923
40K → 25.2M17170#4923#4923
25.2M → Finish3361-28#4923#4951
TOTALS7022060-1358
📊

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