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BOSTON MARATHON 2025

Randy Sookoo

Bib: 11164•M

AZ

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M50-54)
#0 / 1996
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
7:15/mi
22:33
↑ 97↓ 3451.5%
10K· 6.21 mi
7:22/mi
45:25
↑ 79↓ 1380.4%
15K· 9.32 mi
7:38/mi
1:09:08
↑ 67↓ 78
20K· 12.43 mi
7:55/mi
1:33:43
↑ 106↓ 860.1%
Half· 13.11 mi
7:37/mi
1:38:55
↑ 19↓ 370.5%
25K· 15.53 mi
8:24/mi
1:59:16
↑ 66↓ 880.2%
30K· 18.64 mi
8:45/mi
2:26:26
↑ 181↓ 1480.2%
20M
9:03/mi
2:38:44
↑ 64↓ 500.2%
21M
10:07/mi
2:48:51
↑ 106↓ 241.6%
35K· 21.75 mi
9:01/mi
2:55:36
↑ 17↓ 861.7%
23M
9:23/mi
3:07:21
↑ 23↓ 630.6%
24M
9:01/mi
3:16:22
↓ 821.3%
40K· 24.85 mi
9:25/mi
3:24:25
↓ 200.3%
25.2M
10:26/mi
3:28:01
↑ 13↓ 160.2%
Finish· 26.22 mi
8:46/mi
3:36:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:55
Pace7:33 /mi
2nd Half
Distance13.11 mi
Time1:58:02
Pace9:00 /mi
📊Positive Split: 19.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:2422:337:1522:33
7:15
-
10K
6.21 mi11:12:1645:257:1922:52
7:22
+0:07
15K
9.32 mi11:35:591:09:087:2523:43
7:38
+0:16
20K
12.43 mi12:00:341:33:437:3224:35
7:55
+0:17
Half
13.11 mi12:05:461:38:557:335:12
7:37
-0:18
25K
15.53 mi12:26:071:59:167:4120:21
8:24
+0:47
30K
18.64 mi12:53:172:26:267:5127:10
8:45
+0:21
20M
20.00 mi13:05:352:38:447:5612:18
9:03
+0:18
21M
21.00 mi13:15:422:48:518:0210:07
10:07
+1:04
35K
21.75 mi13:22:272:55:368:046:45
9:01
-1:06
23M
23.00 mi13:34:123:07:218:0911:45
9:23
+0:22
24M
24.00 mi13:43:133:16:228:119:01
9:01
-0:22
40K
24.85 mi13:51:163:24:258:138:03
9:25
+0:24
25.2M
25.20 mi13:54:523:28:018:153:36
10:26
+1:01
Finish
26.22 mi14:03:483:36:578:178:56
8:46
-1:40

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

7:15 /mi

Average Pace

8:17 /mi

Slowest Pace

10:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:55

46% of race

Time at Steady Pace

1:24:31

39% of race

Time at Slower Pace

33:31

15% of race

Average Pace: 8:16 /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 mi10:49:2422:337:1522:33
7:15
#9965
10K
6.21 mi11:12:1645:257:1922:52
7:22
#10417
15K
9.32 mi11:35:591:09:087:2523:43
7:38
#11221
20K
12.43 mi12:00:341:33:437:3224:35
7:55
#12004
Half
13.11 mi12:05:461:38:557:335:12
7:37
#12038
25K
15.53 mi12:26:071:59:167:4120:21
8:24
#12823
30K
18.64 mi12:53:172:26:267:5127:10
8:45
#13534
20M
20.00 mi13:05:352:38:447:5612:18
9:03
#13796
21M
21.00 mi13:15:422:48:518:0210:07
10:07
#14189
35K
21.75 mi13:22:272:55:368:046:45
9:01
#14399
23M
23.00 mi13:34:123:07:218:0911:45
9:23
#14638
24M
24.00 mi13:43:133:16:228:119:01
9:01
#14763
40K
24.85 mi13:51:163:24:258:138:03
9:25
#14909
25.2M
25.20 mi13:54:523:28:018:153:36
10:26
#14980
Finish
26.22 mi14:03:483:36:578:178:56
8:46
#15091
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi99658155815512913(Top 45%)9479(Top 59%)9479(Top 475%)
10K6.21 mi3.10 mi10417-4528379-2248379-22410827(Top 38%)8584(Top 53%)8584(Top 430%)
15K9.32 mi3.11 mi11221-8048764-3858764-38512913(Top 45%)9479(Top 59%)9479(Top 475%)
20K12.43 mi3.11 mi12004-7839101-3379101-33714189(Top 50%)9960(Top 62%)9960(Top 499%)
Half13.11 mi0.68 mi12038-349109-89109-812745(Top 45%)9368(Top 58%)9368(Top 469%)
25K15.53 mi2.42 mi12823-7859416-3079416-30716510(Top 58%)10873(Top 68%)10873(Top 545%)
30K18.64 mi3.11 mi13534-7119657-2419657-24116245(Top 57%)10591(Top 66%)10591(Top 531%)
20M20.00 mi1.36 mi13796-2629731-749731-7417049(Top 60%)10837(Top 67%)10837(Top 543%)
21M21.00 mi1.00 mi14189-3939883-1529883-15218709(Top 66%)11473(Top 71%)11473(Top 575%)
35K21.75 mi0.75 mi14399-2109964-819964-8118302(Top 64%)11172(Top 69%)11172(Top 560%)
23M23.00 mi1.25 mi14638-23910027-6310027-6318143(Top 64%)11038(Top 69%)11038(Top 553%)
24M24.00 mi1.00 mi14763-12510053-2610053-2617429(Top 61%)10660(Top 66%)10660(Top 534%)
40K24.85 mi0.85 mi14909-14610090-3710090-3718328(Top 65%)10988(Top 68%)10988(Top 551%)
25.2M25.20 mi0.35 mi14980-7110095-510095-518728(Top 66%)11172(Top 69%)11172(Top 560%)
Finish26.22 mi1.02 mi15091-11110120-2510120-2517845(Top 63%)10793(Top 67%)10793(Top 541%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

12913

Males

9479

M50-54

9479

5K→10K

3.1 - 6.2 mi

Top 38%
×5story building
+79ft-138ft

Overall

10827

Males

8584

M50-54

8584

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

12913

Males

9479

M50-54

9479

15K→20K

9.3 - 12.4 mi

Top 50%
×5story building
+106ft-86ft

Overall

14189

Males

9960

M50-54

9960

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

12745

Males

9368

M50-54

9368

Half→25K

13.1 - 15.5 mi

Top 58%
×4story building
+66ft-88ft

Overall

16510

Males

10873

M50-54

10873

25K→30K

15.5 - 18.6 mi

Top 57%
×9story building
+181ft-148ft

Overall

16245

Males

10591

M50-54

10591

30K→20M

18.6 - 20.0 mi

Top 60%
×5story building
+64ft-50ft

Overall

17049

Males

10837

M50-54

10837

20M→21M

20.0 - 21.0 mi

Top 66%
×8story building
+106ft-24ft

Overall

18709

Males

11473

M50-54

11473

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

18302

Males

11172

M50-54

11172

35K→23M

21.8 - 23.0 mi

Top 64%
×5story building
+23ft-63ft

Overall

18143

Males

11038

M50-54

11038

23M→24M

23.0 - 24.0 mi

Top 61%
×6story building
+12ft-82ft

Overall

17429

Males

10660

M50-54

10660

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

18328

Males

10988

M50-54

10988

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

18728

Males

11172

M50-54

11172

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2story building
+22ft-21ft

Overall

17845

Males

10793

M50-54

10793

Passing Analysis

Category:
Athletes Passed
644
Passed By
5768
Net Change
-5126
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9965
5K → 10K85535-452#9965#10417
10K → 15K50854-804#10417#11221
15K → 20K44827-783#11221#12004
20K → Half2357-34#12004#12038
Half → 25K41826-785#12038#12823
25K → 30K91802-711#12823#13534
30K → 20M68330-262#13534#13796
20M → 21M30423-393#13796#14189
21M → 35K23233-210#14189#14399
35K → 23M48287-239#14399#14638
23M → 24M43168-125#14638#14763
24M → 40K33179-146#14763#14909
40K → 25.2M2293-71#14909#14980
25.2M → Finish43154-111#14980#15091
TOTALS6445768-5126
📊

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