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BOSTON MARATHON 2025

Gregory Keras

Bib: 729•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 6%
Gender (Male)
#0 / 16105
Top 10%
Division (M18-39)
#0 / 5642
Top 24%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:43
Rank: #436
Start → 5K
17:43 | 5:42/mi
10K· 6.21 mi
35:26
Rank: #446 (-10)
5K → 10K
17:43 | 5:42/mi
15K· 9.32 mi
53:33
Rank: #500 (-54)
10K → 15K
18:07 | 5:50/mi
20K· 12.43 mi
1:12:23
Rank: #570 (-70)
15K → 20K
18:50 | 6:04/mi
Half· 13.11 mi
1:16:31
Rank: #591 (-21)
20K → Half
4:08 | 6:03/mi
25K· 15.53 mi
1:31:35
Rank: #685 (-94)
Half → 25K
15:04 | 6:13/mi
30K· 18.64 mi
1:51:25
Rank: #779 (-94)
25K → 30K
19:50 | 6:23/mi
20M
2:00:50
Rank: #867 (-88)
30K → 20M
9:25 | 6:56/mi
21M
2:08:07
Rank: #948 (-81)
20M → 21M
7:17 | 7:17/mi
35K· 21.75 mi
2:13:11
Rank: #996 (-48)
21M → 35K
5:04 | 6:46/mi
23M
2:24:06
Rank: #1399 (-403)
35K → 23M
10:55 | 8:43/mi
24M
2:31:06
Rank: #1494 (-95)
23M → 24M
7:00 | 7:00/mi
40K· 24.85 mi
2:38:00
Rank: #1720 (-226)
24M → 40K
6:54 | 8:04/mi
25.2M
2:40:32
Rank: #1722 (-2)
40K → 25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
2:47:07
Rank: #1737 (-15)
25.2M → Finish
6:35 | 6:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:16:31
Pace5:50 /mi
2nd Half
Distance13.11 mi
Time1:30:36
Pace6:55 /mi
📊Positive Split: 18.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:5517:435:4217:43
5:42
-
10K
6.21 mi10:35:3835:265:4217:43
5:42
0:00
15K
9.32 mi10:53:4553:335:4518:07
5:50
+0:08
20K
12.43 mi11:12:351:12:235:4918:50
6:04
+0:14
Half
13.11 mi11:16:431:16:315:504:08
6:03
-0:01
25K
15.53 mi11:31:471:31:355:5415:04
6:13
+0:10
30K
18.64 mi11:51:371:51:255:5919:50
6:23
+0:10
20M
20.00 mi12:01:022:00:506:029:25
6:56
+0:33
21M
21.00 mi12:08:192:08:076:067:17
7:17
+0:21
35K
21.75 mi12:13:232:13:116:075:04
6:46
-0:31
23M
23.00 mi12:24:182:24:066:1610:55
8:43
+1:57
24M
24.00 mi12:31:182:31:066:187:00
7:00
-1:43
40K
24.85 mi12:38:122:38:006:216:54
8:04
+1:04
25.2M
25.20 mi12:40:442:40:326:222:32
7:21
-0:43
Finish
26.22 mi12:47:192:47:076:236:35
6:28
-0:53

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

5:42 /mi

Average Pace

6:23 /mi

Slowest Pace

8:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

53:33

32% of race

Time at Steady Pace

1:09:31

42% of race

Time at Slower Pace

44:03

26% of race

Average Pace: 6:22 /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 mi10:17:5517:435:4217:43
5:42
#436
10K
6.21 mi10:35:3835:265:4217:43
5:42
#446
15K
9.32 mi10:53:4553:335:4518:07
5:50
#500
20K
12.43 mi11:12:351:12:235:4918:50
6:04
#570
Half
13.11 mi11:16:431:16:315:504:08
6:03
#591
25K
15.53 mi11:31:471:31:355:5415:04
6:13
#685
30K
18.64 mi11:51:371:51:255:5919:50
6:23
#779
20M
20.00 mi12:01:022:00:506:029:25
6:56
#867
21M
21.00 mi12:08:192:08:076:067:17
7:17
#948
35K
21.75 mi12:13:232:13:116:075:04
6:46
#996
23M
23.00 mi12:24:182:24:066:1610:55
8:43
#1399
24M
24.00 mi12:31:182:31:066:187:00
7:00
#1494
40K
24.85 mi12:38:122:38:006:216:54
8:04
#1720
25.2M
25.20 mi12:40:442:40:326:222:32
7:21
#1722
Finish
26.22 mi12:47:192:47:076:236:35
6:28
#1737
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi436398398598(Top 2%)557(Top 3%)557(Top 10%)
10K6.21 mi3.10 mi446-10409-11409-11460(Top 2%)424(Top 3%)424(Top 8%)
15K9.32 mi3.11 mi500-54463-54463-54598(Top 2%)557(Top 3%)557(Top 10%)
20K12.43 mi3.11 mi570-70527-64527-641050(Top 4%)989(Top 6%)989(Top 18%)
Half13.11 mi0.68 mi591-21547-20547-201413(Top 5%)1345(Top 8%)1345(Top 24%)
25K15.53 mi2.42 mi685-94638-91638-911519(Top 5%)1444(Top 9%)1444(Top 26%)
30K18.64 mi3.11 mi779-94730-92730-921492(Top 5%)1412(Top 9%)1412(Top 25%)
20M20.00 mi1.36 mi867-88816-86816-863695(Top 13%)3401(Top 21%)3401(Top 60%)
21M21.00 mi1.00 mi948-81893-77893-773550(Top 12%)3249(Top 20%)3249(Top 58%)
35K21.75 mi0.75 mi996-48938-45938-453941(Top 14%)3541(Top 22%)3541(Top 63%)
23M23.00 mi1.25 mi1399-4031321-3831321-38314628(Top 51%)9445(Top 59%)9445(Top 167%)
24M24.00 mi1.00 mi1494-951413-921413-924625(Top 16%)3996(Top 25%)3996(Top 71%)
40K24.85 mi0.85 mi1720-2261629-2161629-21610633(Top 37%)7361(Top 46%)7361(Top 130%)
25.2M25.20 mi0.35 mi1722-2162916292757(Top 10%)2459(Top 15%)2459(Top 44%)
Finish26.22 mi1.02 mi1737-151645-161645-162628(Top 9%)2378(Top 15%)2378(Top 42%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

598

Males

557

M18-39

557

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

460

Males

424

M18-39

424

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

598

Males

557

M18-39

557

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1050

Males

989

M18-39

989

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1413

Males

1345

M18-39

1345

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1519

Males

1444

M18-39

1444

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1492

Males

1412

M18-39

1412

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3695

Males

3401

M18-39

3401

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3550

Males

3249

M18-39

3249

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3941

Males

3541

M18-39

3541

35K→23M

21.8 - 23.0 mi

Top 51%
×5stories
+23ft-63ft

Overall

14628

Males

9445

M18-39

9445

23M→24M

23.0 - 24.0 mi

Top 16%
×6stories
+12ft-82ft

Overall

4625

Males

3996

M18-39

3996

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

10633

Males

7361

M18-39

7361

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2757

Males

2459

M18-39

2459

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2628

Males

2378

M18-39

2378

Passing Analysis

Category:
Athletes Passed
116
Passed By
1417
Net Change
-1301
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#436
5K → 10K1525-10#436#446
10K → 15K963-54#446#500
15K → 20K575-70#500#570
20K → Half021-21#570#591
Half → 25K9103-94#591#685
25K → 30K10104-94#685#779
30K → 20M492-88#779#867
20M → 21M485-81#867#948
21M → 35K856-48#948#996
35K → 23M5408-403#996#1399
23M → 24M10105-95#1399#1494
24M → 40K2228-226#1494#1720
40K → 25.2M1618-2#1720#1722
25.2M → Finish1934-15#1722#1737
TOTALS1161417-1301
📊

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