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BOSTON MARATHON 2025

Mikel Uralde Arrondo

Bib: 11789•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
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
7:52/mi
24:27
↑ 97↓ 3451.5%
10K· 6.21 mi
7:59/mi
49:14
↑ 79↓ 1380.4%
15K· 9.32 mi
7:55/mi
1:13:51
↑ 67↓ 78
20K· 12.43 mi
8:02/mi
1:38:47
↑ 106↓ 860.1%
Half· 13.11 mi
7:58/mi
1:44:13
↑ 19↓ 370.5%
25K· 15.53 mi
8:26/mi
2:04:40
↑ 66↓ 880.2%
30K· 18.64 mi
9:15/mi
2:33:23
↑ 181↓ 1480.2%
20M
9:24/mi
2:46:09
↑ 64↓ 500.2%
21M
10:15/mi
2:56:24
↑ 106↓ 241.6%
35K· 21.75 mi
9:13/mi
3:03:18
↑ 17↓ 861.7%
23M
9:58/mi
3:15:47
↑ 23↓ 630.6%
24M
10:06/mi
3:25:53
↓ 821.3%
40K· 24.85 mi
10:37/mi
3:34:58
↓ 200.3%
25.2M
11:10/mi
3:38:49
↑ 13↓ 160.2%
Finish· 26.22 mi
9:56/mi
3:48:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:13
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time2:04:43
Pace9:31 /mi
📊Positive Split: 19.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:1824:277:5224:27
7:52
-
10K
6.21 mi11:17:0549:147:5524:47
7:59
+0:07
15K
9.32 mi11:41:421:13:517:5524:37
7:55
-0:04
20K
12.43 mi12:06:381:38:477:5724:56
8:02
+0:07
Half
13.11 mi12:12:041:44:137:575:26
7:58
-0:04
25K
15.53 mi12:32:312:04:408:0220:27
8:26
+0:28
30K
18.64 mi13:01:142:33:238:1428:43
9:15
+0:49
20M
20.00 mi13:14:002:46:098:1812:46
9:24
+0:09
21M
21.00 mi13:24:152:56:248:2410:15
10:15
+0:51
35K
21.75 mi13:31:093:03:188:266:54
9:13
-1:02
23M
23.00 mi13:43:383:15:478:3112:29
9:58
+0:45
24M
24.00 mi13:53:443:25:538:3510:06
10:06
+0:08
40K
24.85 mi14:02:493:34:588:399:05
10:37
+0:31
25.2M
25.20 mi14:06:403:38:498:413:51
11:10
+0:33
Finish
26.22 mi14:16:473:48:568:4410:07
9:56
-1:14

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

7:52 /mi

Average Pace

8:44 /mi

Slowest Pace

11:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:40

54% of race

Time at Steady Pace

48:23

21% of race

Time at Slower Pace

55:53

24% of race

Average Pace: 8:44 /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 mi10:52:1824:277:5224:27
7:52
#15417
10K
6.21 mi11:17:0549:147:5524:47
7:59
#15893
15K
9.32 mi11:41:421:13:517:5524:37
7:55
#15702
20K
12.43 mi12:06:381:38:477:5724:56
8:02
#15533
Half
13.11 mi12:12:041:44:137:575:26
7:58
#15534
25K
15.53 mi12:32:312:04:408:0220:27
8:26
#15754
30K
18.64 mi13:01:142:33:238:1428:43
9:15
#16392
20M
20.00 mi13:14:002:46:098:1812:46
9:24
#16559
21M
21.00 mi13:24:152:56:248:2410:15
10:15
#16713
35K
21.75 mi13:31:093:03:188:266:54
9:13
#16799
23M
23.00 mi13:43:383:15:478:3112:29
9:58
#17093
24M
24.00 mi13:53:443:25:538:3510:06
10:06
#17404
40K
24.85 mi14:02:493:34:588:399:05
10:37
#17697
25.2M
25.20 mi14:06:403:38:498:413:51
11:10
#17771
Finish
26.22 mi14:16:473:48:568:4410:07
9:56
#18071
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi15417105891058915414(Top 54%)10556(Top 66%)10556(Top 442%)
10K6.21 mi3.10 mi15893-47610778-18910778-18916287(Top 57%)10942(Top 68%)10942(Top 459%)
15K9.32 mi3.11 mi15702+19110705+7310705+7315414(Top 54%)10556(Top 66%)10556(Top 442%)
20K12.43 mi3.11 mi15533+16910602+10310602+10315115(Top 53%)10370(Top 64%)10370(Top 435%)
Half13.11 mi0.68 mi15534-110606-410606-415591(Top 55%)10619(Top 66%)10619(Top 445%)
25K15.53 mi2.42 mi15754-22010681-7510681-7516774(Top 59%)11002(Top 68%)11002(Top 461%)
30K18.64 mi3.11 mi16392-63810876-19510876-19518848(Top 66%)11759(Top 73%)11759(Top 493%)
20M20.00 mi1.36 mi16559-16710921-4510921-4518709(Top 66%)11547(Top 72%)11547(Top 484%)
21M21.00 mi1.00 mi16713-15410954-3310954-3319181(Top 68%)11703(Top 73%)11703(Top 490%)
35K21.75 mi0.75 mi16799-8610982-2810982-2819235(Top 68%)11611(Top 72%)11611(Top 487%)
23M23.00 mi1.25 mi17093-29411054-7211054-7220375(Top 72%)12090(Top 75%)12090(Top 507%)
24M24.00 mi1.00 mi17404-31111165-11111165-11121628(Top 76%)12643(Top 79%)12643(Top 530%)
40K24.85 mi0.85 mi17697-29311261-9611261-9622237(Top 78%)12847(Top 80%)12847(Top 538%)
25.2M25.20 mi0.35 mi17771-7411290-2911290-2921084(Top 74%)12325(Top 77%)12325(Top 517%)
Finish26.22 mi1.02 mi18071-30011414-12411414-12422691(Top 80%)13115(Top 81%)13115(Top 550%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

15414

Males

10556

M45-49

10556

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

16287

Males

10942

M45-49

10942

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

15414

Males

10556

M45-49

10556

15K→20K

9.3 - 12.4 mi

Top 53%
×5story building
+106ft-86ft

Overall

15115

Males

10370

M45-49

10370

20K→Half

12.4 - 13.1 mi

Top 55%
×2story building
+19ft-37ft

Overall

15591

Males

10619

M45-49

10619

Half→25K

13.1 - 15.5 mi

Top 59%
×4story building
+66ft-88ft

Overall

16774

Males

11002

M45-49

11002

25K→30K

15.5 - 18.6 mi

Top 66%
×9story building
+181ft-148ft

Overall

18848

Males

11759

M45-49

11759

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

18709

Males

11547

M45-49

11547

20M→21M

20.0 - 21.0 mi

Top 68%
×8story building
+106ft-24ft

Overall

19181

Males

11703

M45-49

11703

21M→35K

21.0 - 21.8 mi

Top 68%
×7story building
+17ft-86ft

Overall

19235

Males

11611

M45-49

11611

35K→23M

21.8 - 23.0 mi

Top 72%
×5story building
+23ft-63ft

Overall

20375

Males

12090

M45-49

12090

23M→24M

23.0 - 24.0 mi

Top 76%
×6story building
+12ft-82ft

Overall

21628

Males

12643

M45-49

12643

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22237

Males

12847

M45-49

12847

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

21084

Males

12325

M45-49

12325

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2story building
+22ft-21ft

Overall

22691

Males

13115

M45-49

13115

Passing Analysis

Category:
Athletes Passed
1265
Passed By
3919
Net Change
-2654
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15417
5K → 10K150626-476#15417#15893
10K → 15K300109+191#15893#15702
15K → 20K283114+169#15702#15533
20K → Half3738-1#15533#15534
Half → 25K119339-220#15534#15754
25K → 30K84722-638#15754#16392
30K → 20M59226-167#16392#16559
20M → 21M69223-154#16559#16713
21M → 35K40126-86#16713#16799
35K → 23M51345-294#16799#17093
23M → 24M28339-311#17093#17404
24M → 40K13306-293#17404#17697
40K → 25.2M1791-74#17697#17771
25.2M → Finish15315-300#17771#18071
TOTALS12653919-2654
📊

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