Boston Marathon logo
BOSTON MARATHON 2025

Aleksei Shloida

Bib: 11116•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 44%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 47%
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ 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
7:11/mi
22:20
↑ 97↓ 3451.5%
10K· 6.21 mi
7:19/mi
45:04
↑ 79↓ 1380.4%
15K· 9.32 mi
7:26/mi
1:08:10
↑ 67↓ 78
20K· 12.43 mi
7:36/mi
1:31:48
↑ 106↓ 860.1%
Half· 13.11 mi
7:30/mi
1:36:55
↑ 19↓ 370.5%
25K· 15.53 mi
7:43/mi
1:55:37
↑ 66↓ 880.2%
30K· 18.64 mi
8:22/mi
2:21:38
↑ 181↓ 1480.2%
20M
8:31/mi
2:33:12
↑ 64↓ 500.2%
21M
9:01/mi
2:42:13
↑ 106↓ 241.6%
35K· 21.75 mi
8:00/mi
2:48:12
↑ 17↓ 861.7%
23M
8:36/mi
2:58:58
↑ 23↓ 630.6%
24M
8:47/mi
3:07:45
↓ 821.3%
40K· 24.85 mi
9:04/mi
3:15:30
↓ 200.3%
25.2M
10:12/mi
3:19:01
↑ 13↓ 160.2%
Finish· 26.22 mi
8:52/mi
3:28:03
↑ 22↓ 21

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
Time1:36:55
Pace7:24 /mi
2nd Half
Distance13.11 mi
Time1:51:08
Pace8:29 /mi
📊Positive Split: 14.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:3622:207:1122:20
7:11
-
10K
6.21 mi11:12:2045:047:1522:44
7:19
+0:08
15K
9.32 mi11:35:261:08:107:1923:06
7:26
+0:07
20K
12.43 mi11:59:041:31:487:2323:38
7:36
+0:10
Half
13.11 mi12:04:111:36:557:245:07
7:30
-0:06
25K
15.53 mi12:22:531:55:377:2718:42
7:43
+0:13
30K
18.64 mi12:48:542:21:387:3626:01
8:22
+0:39
20M
20.00 mi13:00:282:33:127:4011:34
8:31
+0:09
21M
21.00 mi13:09:292:42:137:439:01
9:01
+0:30
35K
21.75 mi13:15:282:48:127:445:59
8:00
-1:01
23M
23.00 mi13:26:142:58:587:4710:46
8:36
+0:36
24M
24.00 mi13:35:013:07:457:498:47
8:47
+0:11
40K
24.85 mi13:42:463:15:307:527:45
9:04
+0:17
25.2M
25.20 mi13:46:173:19:017:543:31
10:12
+1:08
Finish
26.22 mi13:55:193:28:037:569:02
8:52
-1:20

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

7:11 /mi

Average Pace

7:56 /mi

Slowest Pace

10:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:37

56% of race

Time at Steady Pace

54:20

26% of race

Time at Slower Pace

38:06

18% of race

Average Pace: 7:56 /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 mi10:49:3622:207:1122:20
7:11
#9368
10K
6.21 mi11:12:2045:047:1522:44
7:19
#9911
15K
9.32 mi11:35:261:08:107:1923:06
7:26
#10325
20K
12.43 mi11:59:041:31:487:2323:38
7:36
#10631
Half
13.11 mi12:04:111:36:557:245:07
7:30
#10689
25K
15.53 mi12:22:531:55:377:2718:42
7:43
#10830
30K
18.64 mi12:48:542:21:387:3626:01
8:22
#11410
20M
20.00 mi13:00:282:33:127:4011:34
8:31
#11549
21M
21.00 mi13:09:292:42:137:439:01
9:01
#11675
35K
21.75 mi13:15:282:48:127:445:59
8:00
#11693
23M
23.00 mi13:26:142:58:587:4710:46
8:36
#11814
24M
24.00 mi13:35:013:07:457:498:47
8:47
#12032
40K
24.85 mi13:42:463:15:307:527:45
9:04
#12226
25.2M
25.20 mi13:46:173:19:017:543:31
10:12
#12333
Finish
26.22 mi13:55:193:28:037:569:02
8:52
#12598
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi93687810781011185(Top 39%)8690(Top 54%)8690(Top 364%)
10K6.21 mi3.10 mi9911-5438125-3158125-31510484(Top 37%)8403(Top 52%)8403(Top 352%)
15K9.32 mi3.11 mi10325-4148312-1878312-18711185(Top 39%)8690(Top 54%)8690(Top 364%)
20K12.43 mi3.11 mi10631-3068439-1278439-12711653(Top 41%)8812(Top 55%)8812(Top 369%)
Half13.11 mi0.68 mi10689-588473-348473-3411666(Top 41%)8876(Top 55%)8876(Top 372%)
25K15.53 mi2.42 mi10830-1418501-288501-2811636(Top 41%)8681(Top 54%)8681(Top 364%)
30K18.64 mi3.11 mi11410-5808700-1998700-19913962(Top 49%)9579(Top 59%)9579(Top 401%)
20M20.00 mi1.36 mi11549-1398720-208720-2013843(Top 49%)9366(Top 58%)9366(Top 393%)
21M21.00 mi1.00 mi11675-1268744-248744-2413584(Top 48%)9140(Top 57%)9140(Top 383%)
35K21.75 mi0.75 mi11693-188733+118733+1112234(Top 43%)8439(Top 52%)8439(Top 354%)
23M23.00 mi1.25 mi11814-1218749-168749-1613899(Top 49%)9114(Top 57%)9114(Top 382%)
24M24.00 mi1.00 mi12032-2188814-658814-6516192(Top 57%)10107(Top 63%)10107(Top 424%)
40K24.85 mi0.85 mi12226-1948875-618875-6116649(Top 59%)10201(Top 63%)10201(Top 428%)
25.2M25.20 mi0.35 mi12333-1078913-388913-3817817(Top 63%)10719(Top 67%)10719(Top 449%)
Finish26.22 mi1.02 mi12598-2659016-1039016-10318335(Top 65%)11025(Top 68%)11025(Top 462%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21story building
+97ft-345ft

Overall

11185

Males

8690

M45-49

8690

5K→10K

3.1 - 6.2 mi

Top 37%
×5story building
+79ft-138ft

Overall

10484

Males

8403

M45-49

8403

10K→15K

6.2 - 9.3 mi

Top 39%
×3story building
+67ft-78ft

Overall

11185

Males

8690

M45-49

8690

15K→20K

9.3 - 12.4 mi

Top 41%
×5story building
+106ft-86ft

Overall

11653

Males

8812

M45-49

8812

20K→Half

12.4 - 13.1 mi

Top 41%
×2story building
+19ft-37ft

Overall

11666

Males

8876

M45-49

8876

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

11636

Males

8681

M45-49

8681

25K→30K

15.5 - 18.6 mi

Top 49%
×9story building
+181ft-148ft

Overall

13962

Males

9579

M45-49

9579

30K→20M

18.6 - 20.0 mi

Top 49%
×5story building
+64ft-50ft

Overall

13843

Males

9366

M45-49

9366

20M→21M

20.0 - 21.0 mi

Top 48%
×8story building
+106ft-24ft

Overall

13584

Males

9140

M45-49

9140

21M→35K

21.0 - 21.8 mi

Top 43%
×7story building
+17ft-86ft

Overall

12234

Males

8439

M45-49

8439

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

13899

Males

9114

M45-49

9114

23M→24M

23.0 - 24.0 mi

Top 57%
×6story building
+12ft-82ft

Overall

16192

Males

10107

M45-49

10107

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16649

Males

10201

M45-49

10201

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

17817

Males

10719

M45-49

10719

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2story building
+22ft-21ft

Overall

18335

Males

11025

M45-49

11025

Passing Analysis

Category:
Athletes Passed
872
Passed By
4099
Net Change
-3230
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9368
5K → 10K78620-543#9368#9911
10K → 15K77490-414#9911#10325
15K → 20K86391-306#10325#10631
20K → Half2381-58#10631#10689
Half → 25K123264-141#10689#10830
25K → 30K98678-580#10830#11410
30K → 20M83222-139#11410#11549
20M → 21M70196-126#11549#11675
21M → 35K5573-18#11675#11693
35K → 23M82203-121#11693#11814
23M → 24M33251-218#11814#12032
24M → 40K31225-194#12032#12226
40K → 25.2M9116-107#12226#12333
25.2M → Finish24289-265#12333#12598
TOTALS8724099-3230
📊

Passing Visuals

Category:
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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing