Leonid Slavin

Bib: 4815M

OH

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Top 13%
Gender (Male)
#0 / 14578
Top 21%
Masters (Masters Men)
#0 / 9729
Top 11%
Division (M50-54)
#0 / 1935
Top 6%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:01
Rank: #2971
Start5K
6:27/mi
20:01 split
10K· 6.21 mi
40:01
Rank: #2756 (+215)
5K10K
6:26/mi
20:00 split
15K· 9.32 mi
1:00:09
Rank: #2676 (+80)
10K15K
6:29/mi
20:08 split
20K· 12.43 mi
1:21:25
Rank: #2994 (-318)
15K20K
6:51/mi
21:16 split
Half· 13.11 mi
1:26:04
Rank: #3043 (-49)
20KHalf
6:49/mi
4:39 split
25K· 15.53 mi
1:44:36
Rank: #3873 (-830)
Half25K
7:39/mi
18:32 split
30K· 18.64 mi
2:07:04
Rank: #3821 (+52)
25K30K
7:14/mi
22:28 split
20M
2:16:42
Rank: #3650 (+171)
30K20M
7:05/mi
9:38 split
21M
2:24:29
Rank: #3581 (+69)
20M21M
7:47/mi
7:47 split
35K· 21.75 mi
2:30:26
Rank: #3731 (-150)
21M35K
7:57/mi
5:57 split
23M
2:39:33
Rank: #3598 (+133)
35K23M
7:17/mi
9:07 split
24M
2:46:31
Rank: #3486 (+112)
23M24M
6:58/mi
6:58 split
40K· 24.85 mi
2:53:13
Rank: #3488 (-2)
24M40K
7:50/mi
6:42 split
25.2M
2:56:13
Rank: #3485 (+3)
40K25.2M
8:42/mi
3:00 split
Finish· 26.22 mi
3:03:05
Rank: #3370 (+115)
25.2MFinish
6:44/mi
6:52 split

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:04
Pace6:34 /mi
2nd Half
Distance13.11 mi
Time1:37:01
Pace7:24 /mi
📊Positive Split: 12.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:4320:016:2720:01
6:27
-
10K
6.21 mi10:43:4340:016:2620:00
6:26
-0:01
15K
9.32 mi11:03:511:00:096:2720:08
6:29
+0:03
20K
12.43 mi11:25:071:21:256:3321:16
6:51
+0:22
Half
13.11 mi11:29:461:26:046:344:39
6:49
-0:02
25K
15.53 mi11:48:181:44:366:4418:32
7:39
+0:50
30K
18.64 mi12:10:462:07:046:4922:28
7:14
-0:25
20M
20.00 mi12:20:242:16:426:509:38
7:05
-0:09
21M
21.00 mi12:28:112:24:296:537:47
7:47
+0:42
35K
21.75 mi12:34:082:30:266:555:57
7:57
+0:10
23M
23.00 mi12:43:152:39:336:569:07
7:17
-0:40
24M
24.00 mi12:50:132:46:316:566:58
6:58
-0:19
40K
24.85 mi12:56:552:53:136:586:42
7:50
+0:52
25.2M
25.20 mi12:59:552:56:137:003:00
8:42
+0:52
Finish
26.22 mi13:06:473:03:056:596:52
6:44
-1:58

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

6:26 /mi

Average Pace

6:59 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:07:01

37% of race

Time at Steady Pace

1:14:06

40% of race

Time at Slower Pace

41:58

23% of race

Average Pace: 6:59 /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 mi10:23:4320:016:2720:01
6:27
#2971
10K
6.21 mi10:43:4340:016:2620:00
6:26
#2756
15K
9.32 mi11:03:511:00:096:2720:08
6:29
#2676
20K
12.43 mi11:25:071:21:256:3321:16
6:51
#2994
Half
13.11 mi11:29:461:26:046:344:39
6:49
#3043
25K
15.53 mi11:48:181:44:366:4418:32
7:39
#3873
30K
18.64 mi12:10:462:07:046:4922:28
7:14
#3821
20M
20.00 mi12:20:242:16:426:509:38
7:05
#3650
21M
21.00 mi12:28:112:24:296:537:47
7:47
#3581
35K
21.75 mi12:34:082:30:266:555:57
7:57
#3731
23M
23.00 mi12:43:152:39:336:569:07
7:17
#3598
24M
24.00 mi12:50:132:46:316:566:58
6:58
#3486
40K
24.85 mi12:56:552:53:136:586:42
7:50
#3488
25.2M
25.20 mi12:59:552:56:137:003:00
8:42
#3485
Finish
26.22 mi13:06:473:03:056:596:52
6:44
#3370
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi2971284128412614(Top 10%)2507(Top 17%)2507(Top 130%)
10K6.21 mi3.10 mi2756+2152645+1962645+1962623(Top 10%)2516(Top 17%)2516(Top 130%)
15K9.32 mi3.11 mi2676+802569+762569+762614(Top 10%)2507(Top 17%)2507(Top 130%)
20K12.43 mi3.11 mi2994-3182860-2912860-2914208(Top 16%)3912(Top 27%)3912(Top 202%)
Half13.11 mi0.68 mi3043-492904-442904-444558(Top 18%)4196(Top 29%)4196(Top 217%)
25K15.53 mi2.42 mi3873-8303645-7413645-7417904(Top 31%)6363(Top 44%)6363(Top 329%)
30K18.64 mi3.11 mi3821+523585+603585+603901(Top 15%)3540(Top 24%)3540(Top 183%)
20M20.00 mi1.36 mi3650+1713419+1663419+1662732(Top 11%)2522(Top 17%)2522(Top 130%)
21M21.00 mi1.00 mi3581+693345+743345+743401(Top 13%)3019(Top 21%)3019(Top 156%)
35K21.75 mi0.75 mi3731-1503470-1253470-1257441(Top 29%)5438(Top 37%)5438(Top 281%)
23M23.00 mi1.25 mi3598+1333338+1323338+1322842(Top 11%)2530(Top 17%)2530(Top 131%)
24M24.00 mi1.00 mi3486+1123229+1093229+1092236(Top 9%)2011(Top 14%)2011(Top 104%)
40K24.85 mi0.85 mi3488-23221+83221+84925(Top 19%)3744(Top 26%)3744(Top 193%)
25.2M25.20 mi0.35 mi3485+33214+73214+75193(Top 20%)3814(Top 26%)3814(Top 197%)
Finish26.22 mi1.02 mi3370+1153104+1103104+1102132(Top 8%)1858(Top 13%)1858(Top 96%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2614

Males

2507

M50-54

2507

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2623

Males

2516

M50-54

2516

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2614

Males

2507

M50-54

2507

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4208

Males

3912

M50-54

3912

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

4558

Males

4196

M50-54

4196

Half→25K

13.1 - 15.5 mi

Top 31%
×4stories
+66ft-88ft

Overall

7904

Males

6363

M50-54

6363

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

3901

Males

3540

M50-54

3540

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

2732

Males

2522

M50-54

2522

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3401

Males

3019

M50-54

3019

21M→35K

21.0 - 21.8 mi

Top 29%
×7stories
+17ft-86ft

Overall

7441

Males

5438

M50-54

5438

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

2842

Males

2530

M50-54

2530

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2236

Males

2011

M50-54

2011

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

4925

Males

3744

M50-54

3744

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5193

Males

3814

M50-54

3814

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2132

Males

1858

M50-54

1858

Passing Analysis

Category:
Athletes Passed
1499
Passed By
1898
Net Change
-399
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2971
5K10K27257+215#2971#2756
10K15K14565+80#2756#2676
15K20K37355-318#2676#2994
20KHalf958-49#2994#3043
Half25K16846-830#3043#3873
25K30K216164+52#3873#3821
30K20M19524+171#3821#3650
20M21M11546+69#3650#3581
21M35K20170-150#3581#3731
35K23M15623+133#3731#3598
23M24M1175+112#3598#3486
24M40K4850-2#3486#3488
40K25.2M3027+3#3488#3485
25.2MFinish1238+115#3485#3370
TOTALS14991898-399
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing