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BOSTON MARATHON 2025

Lucas Sarantos

Bib: 1663•M

MA

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0:00
0:00
/ mi
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Overall
#0 / 28404
Top 5%
Gender (Male)
#0 / 16105
Top 8%
Age Group (M18-39)
#0 / 5642
Top 20%
Race Day Weather
50°/40°F
broken clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
19:45
Rank: #2786
Start → 5K
19:45 | 6:21/mi
10K· 6.21 mi
39:31
Rank: #2781 (+5)
5K → 10K
19:46 | 6:22/mi
15K· 9.32 mi
58:55
Rank: #2507 (+274)
10K → 15K
19:24 | 6:15/mi
20K· 12.43 mi
1:18:30
Rank: #2341 (+166)
15K → 20K
19:35 | 6:18/mi
Half· 13.11 mi
1:22:47
Rank: #2339 (+2)
20K → Half
4:17 | 6:17/mi
25K· 15.53 mi
1:38:04
Rank: #2245 (+94)
Half → 25K
15:17 | 6:18/mi
30K· 18.64 mi
1:57:39
Rank: #1990 (+255)
25K → 30K
19:35 | 6:18/mi
20M
2:06:09
Rank: #1871 (+119)
30K → 20M
8:30 | 6:15/mi
21M
2:12:40
Rank: #1749 (+122)
20M → 21M
6:31 | 6:31/mi
35K· 21.75 mi
2:17:09
Rank: #1680 (+69)
21M → 35K
4:29 | 6:00/mi
23M
2:24:54
Rank: #1546 (+134)
35K → 23M
7:45 | 6:11/mi
24M
2:31:02
Rank: #1480 (+66)
23M → 24M
6:08 | 6:08/mi
40K· 24.85 mi
2:36:20
Rank: #1417 (+63)
24M → 40K
5:18 | 6:12/mi
25.2M
2:38:40
Rank: #1401 (+16)
40K → 25.2M
2:20 | 6:46/mi
Finish· 26.22 mi
2:45:09
Rank: #1409 (-8)
25.2M → Finish
6:29 | 6:22/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via Half
Distance13.11 mi
Time1:22:47
Pace6:19 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:22:22
Pace6:17 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:1819:456:2119:45
6:21
-
10K
6.21 mi10:47:0439:316:2219:46
6:22
+0:01
15K
9.32 mi11:06:2858:556:1919:24
6:15
-0:07
20K
12.43 mi11:26:031:18:306:1919:35
6:18
+0:03
Half
13.11 mi11:30:201:22:476:194:17
6:17
-0:01
25K
15.53 mi11:45:371:38:046:1915:17
6:18
+0:01
30K
18.64 mi12:05:121:57:396:1919:35
6:18
0:00
20M
20.00 mi12:13:422:06:096:188:30
6:15
-0:03
21M
21.00 mi12:20:132:12:406:196:31
6:31
+0:16
35K
21.75 mi12:24:422:17:096:184:29
6:00
-0:31
23M
23.00 mi12:32:272:24:546:187:45
6:11
+0:11
24M
24.00 mi12:38:352:31:026:186:08
6:08
-0:03
40K
24.85 mi12:43:532:36:206:175:18
6:12
+0:04
25.2M
25.20 mi12:46:132:38:406:182:20
6:46
+0:34
Finish
26.22 mi12:52:422:45:096:186:29
6:22
-0:24

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

6:00 /mi

Average Pace

6:18 /mi

Slowest Pace

6:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:42:49

99% of race

Time at Steady Pace

2:20

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:18 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:27:1819:456:2119:45
6:21
#2786
10K
6.21 mi10:47:0439:316:2219:46
6:22
#2781
15K
9.32 mi11:06:2858:556:1919:24
6:15
#2507
20K
12.43 mi11:26:031:18:306:1919:35
6:18
#2341
Half
13.11 mi11:30:201:22:476:194:17
6:17
#2339
25K
15.53 mi11:45:371:38:046:1915:17
6:18
#2245
30K
18.64 mi12:05:121:57:396:1919:35
6:18
#1990
20M
20.00 mi12:13:422:06:096:188:30
6:15
#1871
21M
21.00 mi12:20:132:12:406:196:31
6:31
#1749
35K
21.75 mi12:24:422:17:096:184:29
6:00
#1680
23M
23.00 mi12:32:272:24:546:187:45
6:11
#1546
24M
24.00 mi12:38:352:31:026:186:08
6:08
#1480
40K
24.85 mi12:43:532:36:206:175:18
6:12
#1417
25.2M
25.20 mi12:46:132:38:406:182:20
6:46
#1401
Finish
26.22 mi12:52:422:45:096:186:29
6:22
#1409
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2786265126512056(Top 7%)1960(Top 12%)1960(Top 35%)
10K6.21 mi3.10 mi2781+52648+32648+32790(Top 10%)2656(Top 16%)2656(Top 47%)
15K9.32 mi3.11 mi2507+2742391+2572391+2572056(Top 7%)1960(Top 12%)1960(Top 35%)
20K12.43 mi3.11 mi2341+1662234+1572234+1572015(Top 7%)1920(Top 12%)1920(Top 34%)
Half13.11 mi0.68 mi2339+22232+22232+22327(Top 8%)2224(Top 14%)2224(Top 39%)
25K15.53 mi2.42 mi2245+942142+902142+901863(Top 7%)1771(Top 11%)1771(Top 31%)
30K18.64 mi3.11 mi1990+2551894+2481894+2481219(Top 4%)1150(Top 7%)1150(Top 20%)
20M20.00 mi1.36 mi1871+1191780+1141780+114868(Top 3%)820(Top 5%)820(Top 15%)
21M21.00 mi1.00 mi1749+1221660+1201660+120730(Top 3%)691(Top 4%)691(Top 12%)
35K21.75 mi0.75 mi1680+691592+681592+68737(Top 3%)690(Top 4%)690(Top 12%)
23M23.00 mi1.25 mi1546+1341464+1281464+128667(Top 2%)630(Top 4%)630(Top 11%)
24M24.00 mi1.00 mi1480+661399+651399+65860(Top 3%)809(Top 5%)809(Top 14%)
40K24.85 mi0.85 mi1417+631338+611338+61736(Top 3%)691(Top 4%)691(Top 12%)
25.2M25.20 mi0.35 mi1401+161321+171321+17902(Top 3%)835(Top 5%)835(Top 15%)
Finish26.22 mi1.02 mi1409-81330-91330-92125(Top 7%)1943(Top 12%)1943(Top 34%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

2056

Males

1960

M18-39

1960

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2790

Males

2656

M18-39

2656

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

2056

Males

1960

M18-39

1960

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

2015

Males

1920

M18-39

1920

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2327

Males

2224

M18-39

2224

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1863

Males

1771

M18-39

1771

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1219

Males

1150

M18-39

1150

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

868

Males

820

M18-39

820

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

730

Males

691

M18-39

691

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

737

Males

690

M18-39

690

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

667

Males

630

M18-39

630

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

860

Males

809

M18-39

809

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

736

Males

691

M18-39

691

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

902

Males

835

M18-39

835

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

2125

Males

1943

M18-39

1943

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1580
Passed By
203
Net Change
+1377
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2786
5K → 10K128123+5#2786#2781
10K → 15K2795+274#2781#2507
15K → 20K17812+166#2507#2341
20K → Half1210+2#2341#2339
Half → 25K10814+94#2339#2245
25K → 30K2594+255#2245#1990
30K → 20M1212+119#1990#1871
20M → 21M1253+122#1871#1749
21M → 35K690+69#1749#1680
35K → 23M1340+134#1680#1546
23M → 24M671+66#1546#1480
24M → 40K630+63#1480#1417
40K → 25.2M182+16#1417#1401
25.2M → Finish1927-8#1401#1409
TOTALS1580203+1377
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing