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BOSTON MARATHON 2026

Salvador Acosta

Bib: 31380•M

VT

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M50-54)
#0 / 1868
Race Day Weather
51°/41°F
overcast 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
25:49
3.11 mi
Rank: #18916
Start → 5K
25:49 | 8:19/mi
10K
53:50
6.21 mi
Rank: #21115 (-2199)
5K → 10K
28:01 | 9:02/mi
15K
1:18:21
9.32 mi
Rank: #19612 (+1503)
10K → 15K
24:31 | 7:54/mi
20K
1:42:13
12.43 mi
Rank: #18313 (+1299)
15K → 20K
23:52 | 7:41/mi
HALF
1:47:26
13.11 mi
Rank: #18149 (+164)
20K → HALF
5:13 | 7:40/mi
25K
2:07:08
15.53 mi
Rank: #17838 (+311)
HALF → 25K
19:42 | 8:08/mi
30K
2:33:03
18.64 mi
Rank: #17446 (+392)
25K → 30K
25:55 | 8:21/mi
20M
2:44:07
20.00 mi
Rank: #17179 (+267)
30K → 20M
11:04 | 8:09/mi
21M
2:52:44
21.00 mi
Rank: #16969 (+210)
20M → 21M
8:37 | 8:37/mi
35K
2:58:47
21.75 mi
Rank: #16879 (+90)
21M → 35K
6:03 | 8:06/mi
23M
3:10:09
23.00 mi
Rank: #16994 (-115)
35K → 23M
11:22 | 9:05/mi
24M
3:18:24
24.00 mi
Rank: #16894 (+100)
23M → 24M
8:15 | 8:15/mi
40K
3:25:31
24.85 mi
Rank: #16808 (+86)
24M → 40K
7:07 | 8:20/mi
25.2M
3:28:39
25.20 mi
Rank: #16766 (+42)
40K → 25.2M
3:08 | 9:06/mi
FINISH
3:37:08
26.22 mi
Rank: #16774 (-8)
25.2M → FINISH
8:29 | 8:20/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:47:26
Pace8:12 /mi
2nd Half
Distance13.11 mi
Time1:49:42
Pace8:23 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:3725:498:1925:49
8:19
-
10K
6.21 mi12:23:3853:508:4028:01
9:02
+0:43
15K
9.32 mi12:48:091:18:218:2524:31
7:54
-1:08
20K
12.43 mi13:12:011:42:138:1423:52
7:41
-0:13
HALF
13.11 mi13:17:141:47:268:125:13
7:40
-0:01
25K
15.53 mi13:36:562:07:088:1219:42
8:08
+0:28
30K
18.64 mi14:02:512:33:038:1325:55
8:21
+0:13
20M
20.00 mi14:13:552:44:078:1311:04
8:09
-0:12
21M
21.00 mi14:22:322:52:448:148:37
8:37
+0:28
35K
21.75 mi14:28:352:58:478:146:03
8:06
-0:31
23M
23.00 mi14:39:573:10:098:1711:22
9:05
+0:59
24M
24.00 mi14:48:123:18:248:178:15
8:15
-0:50
40K
24.85 mi14:55:193:25:318:177:07
8:20
+0:05
25.2M
25.20 mi14:58:273:28:398:173:08
9:06
+0:46
FINISH
26.22 mi15:06:563:37:088:188:29
8:20
-0:46

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

7:40 /mi

Average Pace

8:17 /mi

Slowest Pace

9:06 /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

2:46:00

76% of race

Time at Steady Pace

36:38

17% of race

Time at Slower Pace

14:30

7% of race

Average Pace: 8:17 /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 mi11:55:3725:498:1925:49
8:19
#18916
10K
6.21 mi12:23:3853:508:4028:01
9:02
#21115
15K
9.32 mi12:48:091:18:218:2524:31
7:54
#19612
20K
12.43 mi13:12:011:42:138:1423:52
7:41
#18313
HALF
13.11 mi13:17:141:47:268:125:13
7:40
#18149
25K
15.53 mi13:36:562:07:088:1219:42
8:08
#17838
30K
18.64 mi14:02:512:33:038:1325:55
8:21
#17446
20M
20.00 mi14:13:552:44:078:1311:04
8:09
#17179
21M
21.00 mi14:22:322:52:448:148:37
8:37
#16969
35K
21.75 mi14:28:352:58:478:146:03
8:06
#16879
23M
23.00 mi14:39:573:10:098:1711:22
9:05
#16994
24M
24.00 mi14:48:123:18:248:178:15
8:15
#16894
40K
24.85 mi14:55:193:25:318:177:07
8:20
#16808
25.2M
25.20 mi14:58:273:28:398:173:08
9:06
#16766
FINISH
26.22 mi15:06:563:37:088:188:29
8:20
#16774
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi18916117981179816108(Top 56%)10639(Top 65%)10639(Top 570%)
10K6.21 mi3.10 mi21115-219912816-101812816-101822905(Top 79%)13699(Top 84%)13699(Top 733%)
15K9.32 mi3.11 mi19612+150312129+68712129+68716108(Top 56%)10639(Top 65%)10639(Top 570%)
20K12.43 mi3.11 mi18313+129911576+55311576+55313559(Top 47%)9542(Top 58%)9542(Top 511%)
HALF13.11 mi0.68 mi18149+16411497+7911497+7914308(Top 49%)9938(Top 61%)9938(Top 532%)
25K15.53 mi2.42 mi17838+31111355+14211355+14216280(Top 56%)10634(Top 65%)10634(Top 569%)
30K18.64 mi3.11 mi17446+39211162+19311162+19315894(Top 55%)10374(Top 63%)10374(Top 555%)
20M20.00 mi1.36 mi17179+26711033+12911033+12913866(Top 48%)9401(Top 58%)9401(Top 503%)
21M21.00 mi1.00 mi16969+21010922+11110922+11113851(Top 48%)9306(Top 57%)9306(Top 498%)
35K21.75 mi0.75 mi16879+9010864+5810864+5815048(Top 52%)9794(Top 60%)9794(Top 524%)
23M23.00 mi1.25 mi16994-11510887-2310887-2318872(Top 65%)11388(Top 70%)11388(Top 610%)
24M24.00 mi1.00 mi16894+10010824+6310824+6315374(Top 53%)9783(Top 60%)9783(Top 524%)
40K24.85 mi0.85 mi16808+8610772+5210772+5214595(Top 50%)9343(Top 57%)9343(Top 500%)
25.2M25.20 mi0.35 mi16766+4210741+3110741+3115160(Top 52%)9575(Top 59%)9575(Top 513%)
FINISH26.22 mi1.02 mi16774-810726+1510726+1517182(Top 59%)10508(Top 64%)10508(Top 563%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21
+97ft-345ft

Overall

16108

Males

10639

M50-54

10639

5K→10K

3.1 - 6.2 mi

Top 79%
×5
+79ft-138ft

Overall

22905

Males

13699

M50-54

13699

10K→15K

6.2 - 9.3 mi

Top 56%
×3
+67ft-78ft

Overall

16108

Males

10639

M50-54

10639

15K→20K

9.3 - 12.4 mi

Top 47%
×5
+106ft-86ft

Overall

13559

Males

9542

M50-54

9542

20K→HALF

12.4 - 13.1 mi

Top 49%
×2
+19ft-37ft

Overall

14308

Males

9938

M50-54

9938

HALF→25K

13.1 - 15.5 mi

Top 56%
×4
+66ft-88ft

Overall

16280

Males

10634

M50-54

10634

25K→30K

15.5 - 18.6 mi

Top 55%
×9
+181ft-148ft

Overall

15894

Males

10374

M50-54

10374

30K→20M

18.6 - 20.0 mi

Top 48%
×5
+64ft-50ft

Overall

13866

Males

9401

M50-54

9401

20M→21M

20.0 - 21.0 mi

Top 48%
×8
+106ft-24ft

Overall

13851

Males

9306

M50-54

9306

21M→35K

21.0 - 21.8 mi

Top 52%
×7
+17ft-86ft

Overall

15048

Males

9794

M50-54

9794

35K→23M

21.8 - 23.0 mi

Top 65%
×5
+23ft-63ft

Overall

18872

Males

11388

M50-54

11388

23M→24M

23.0 - 24.0 mi

Top 53%
×6
+12ft-82ft

Overall

15374

Males

9783

M50-54

9783

24M→40K

24.0 - 24.9 mi

Top 50%
×1
+6ft-20ft

Overall

14595

Males

9343

M50-54

9343

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1
+13ft-16ft

Overall

15160

Males

9575

M50-54

9575

25.2M→FINISH

25.2 - 26.2 mi

Top 59%
×2
+22ft-21ft

Overall

17182

Males

10508

M50-54

10508

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
4719*
Passed By
567
Net Change
+2142
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18916
5K → 10K11200-2199#18916#21115
10K → 15K1503*0+1503#21115#19612
15K → 20K1300*1+1299#19612#18313
20K → HALF1640+164#18313#18149
HALF → 25K318*7+311#18149#17838
25K → 30K423*31+392#17838#17446
30K → 20M272*5+267#17446#17179
20M → 21M223*13+210#17179#16969
21M → 35K988+90#16969#16879
35K → 23M68183-115#16879#16994
23M → 24M12121+100#16994#16894
24M → 40K10721+86#16894#16808
40K → 25.2M5513+42#16808#16766
25.2M → FINISH5664-8#16766#16774
TOTALS4719*567+2142

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing