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BOSTON MARATHON 2025

Lucien Gandarias

WA

Bib: P115 M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 27%
Gender (Male)
#0 / 16105
Top 40%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:35/mi
20:27
↑ 97↓ 345
10K· 6.21 mi
6:49/mi
41:39
↑ 79↓ 138
15K· 9.32 mi
7:08/mi
1:03:49
↑ 67↓ 78
20K· 12.43 mi
7:11/mi
1:26:08
↑ 106↓ 86
Half· 13.11 mi
7:07/mi
1:30:59
↑ 19↓ 37
25K· 15.53 mi
7:31/mi
1:49:13
↑ 66↓ 88
30K· 18.64 mi
7:45/mi
2:13:17
↑ 181↓ 148
20M
7:43/mi
2:23:46
↑ 64↓ 50
21M
8:18/mi
2:32:04
↑ 106↓ 24
35K· 21.75 mi
7:28/mi
2:37:39
↑ 17↓ 86
23M
7:54/mi
2:47:33
↑ 23↓ 63
24M
7:41/mi
2:55:14
↓ 82
40K· 24.85 mi
7:35/mi
3:01:43
↓ 20
25.2M
8:27/mi
3:04:38
↑ 13↓ 16
Finish· 26.22 mi
7:17/mi
3:12:03
↑ 22↓ 21
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:30:596:56 /mi⚡ faster
2nd Half
1:41:047:43 /mi+11.1%
Positive split — 11.1% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
20:276:353.11 mi20:27
6:35
-
10K
41:396:423.10 mi21:12
6:49
+0:14
15K
1:03:496:513.11 mi22:10
7:08
+0:19
20K
1:26:086:563.11 mi22:19
7:11
+0:03
Half(13.11 mi)
1:30:596:560.68 mi4:51
7:07
-0:04
25K
1:49:137:022.42 mi18:14
7:31
+0:24
30K
2:13:177:093.11 mi24:04
7:45
+0:14
20M
2:23:467:111.36 mi10:29
7:43
-0:02
21M
2:32:047:141.00 mi8:18
8:18
+0:35
35K
2:37:397:150.75 mi5:35
7:28
-0:50
23M
2:47:337:171.25 mi9:54
7:54
+0:26
24M
2:55:147:181.00 mi7:41
7:41
-0:13
40K
3:01:437:190.85 mi6:29
7:35
-0:06
25.2M
3:04:387:200.35 mi2:55
8:27
+0:52
Finish(26.22 mi)
3:12:037:201.02 mi7:25
7:17
-1:10
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:35 /mi

Average Pace

7:20 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:30:59

47% of race

Time at Steady Pace

1:19:57

42% of race

Time at Slower Pace

21:07

11% of race

Average Pace: 7:19 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi444141774177856972867286
10K3.10 mi5394-9534997-8204997-820664660016001
15K3.11 mi6645-12516002-10056002-1005856972867286
20K3.11 mi7075-4306329-3276329-327804969036903
Half(13.11 mi)0.68 mi7122-476359-306359-30830070697069
25K2.42 mi7455-3336583-2246583-2241010679317931
30K3.11 mi7675-2206673-906673-90950574277427
20M1.36 mi7669+66636+376636+37840966646664
21M1.00 mi7692-236613+236613+23917969096909
35K0.75 mi7664+286574+396574+39831464786478
23M1.25 mi7707-436549+256549+25931168686868
24M1.00 mi7722-156532+176532+17897766286628
40K0.85 mi7673+496463+696463+69727255785578
25.2M0.35 mi7657+166439+246439+24846261476147
Finish(26.22 mi)1.02 mi7621+366385+546385+54758656665666

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21story building
+97ft-345ft

Overall

8569

Males

7286

M18-39

7286

5K→10K

3.1 - 6.2 mi

Top 23%
×5story building
+79ft-138ft

Overall

6646

Males

6001

M18-39

6001

10K→15K

6.2 - 9.3 mi

Top 30%
×3story building
+67ft-78ft

Overall

8569

Males

7286

M18-39

7286

15K→20K

9.3 - 12.4 mi

Top 28%
×5story building
+106ft-86ft

Overall

8049

Males

6903

M18-39

6903

20K→Half

12.4 - 13.1 mi

Top 29%
×2story building
+19ft-37ft

Overall

8300

Males

7069

M18-39

7069

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

10106

Males

7931

M18-39

7931

25K→30K

15.5 - 18.6 mi

Top 33%
×9story building
+181ft-148ft

Overall

9505

Males

7427

M18-39

7427

30K→20M

18.6 - 20.0 mi

Top 30%
×5story building
+64ft-50ft

Overall

8409

Males

6664

M18-39

6664

20M→21M

20.0 - 21.0 mi

Top 32%
×8story building
+106ft-24ft

Overall

9179

Males

6909

M18-39

6909

21M→35K

21.0 - 21.8 mi

Top 29%
×7story building
+17ft-86ft

Overall

8314

Males

6478

M18-39

6478

35K→23M

21.8 - 23.0 mi

Top 33%
×5story building
+23ft-63ft

Overall

9311

Males

6868

M18-39

6868

23M→24M

23.0 - 24.0 mi

Top 32%
×6story building
+12ft-82ft

Overall

8977

Males

6628

M18-39

6628

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

7272

Males

5578

M18-39

5578

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

8462

Males

6147

M18-39

6147

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2story building
+22ft-21ft

Overall

7586

Males

5666

M18-39

5666

Passing Analysis

Category:
▼Net Change
0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#4441
5K → 10K
97219-953
#4441 → #5394
10K → 15K
126716-1251
#5394 → #6645
15K → 20K
46838-430
#6645 → #7075
20K → Half
558-47
#7075 → #7122
Half → 25K
37744-333
#7122 → #7455
25K → 30K
342122-220
#7455 → #7675
30K → 20M
8793+6
#7675 → #7669
20M → 21M
11289-23
#7669 → #7692
21M → 35K
4068+28
#7692 → #7664
35K → 23M
12986-43
#7664 → #7707
23M → 24M
7560-15
#7707 → #7722
24M → 40K
4796+49
#7722 → #7673
40K → 25.2M
2339+16
#7673 → #7657
25.2M → Finish
4682+36
#7657 → #7621
TOTALS
4040860-3180
#4441 → #7621

Passing Visualized

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