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BOSTON MARATHON 2026

Alfonso Delgado

Bib: 6823•M

CO

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 24%
Gender (Male)
#0 / 16340
Top 37%
Masters (Masters Men)
#0 / 10617
Top 24%
Age Group (M40-44)
#0 / 2198
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
20:42
3.11 mi
Rank: #5552
Start → 5K
20:42 | 6:40/mi
10K
41:23
6.21 mi
Rank: #5509 (+43)
5K → 10K
20:41 | 6:40/mi
15K
1:02:04
9.32 mi
Rank: #5452 (+57)
10K → 15K
20:41 | 6:40/mi
20K
1:23:08
12.43 mi
Rank: #5545 (-93)
15K → 20K
21:04 | 6:47/mi
HALF
1:27:42
13.11 mi
Rank: #5557 (-12)
20K → HALF
4:34 | 6:42/mi
25K
1:44:23
15.53 mi
Rank: #5670 (-113)
HALF → 25K
16:41 | 6:53/mi
30K
2:06:33
18.64 mi
Rank: #5912 (-242)
25K → 30K
22:10 | 7:09/mi
20M
2:16:34
20.00 mi
Rank: #6115 (-203)
30K → 20M
10:01 | 7:23/mi
21M
2:24:24
21.00 mi
Rank: #6291 (-176)
20M → 21M
7:50 | 7:50/mi
35K
2:29:53
21.75 mi
Rank: #6396 (-105)
21M → 35K
5:29 | 7:20/mi
23M
2:40:20
23.00 mi
Rank: #6830 (-434)
35K → 23M
10:27 | 8:22/mi
24M
2:47:49
24.00 mi
Rank: #6889 (-59)
23M → 24M
7:29 | 7:29/mi
40K
2:54:16
24.85 mi
Rank: #6924 (-35)
24M → 40K
6:27 | 7:33/mi
25.2M
2:57:08
25.20 mi
Rank: #6947 (-23)
40K → 25.2M
2:52 | 8:19/mi
FINISH
3:04:50
26.22 mi
Rank: #7079 (-132)
25.2M → FINISH
7:42 | 7:34/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:27:42
Pace6:42 /mi
2nd Half
Distance13.11 mi
Time1:37:08
Pace7:25 /mi
📊Positive Split: 10.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:4920:426:4020:42
6:40
-
10K
6.21 mi10:46:3041:236:4020:41
6:40
0:00
15K
9.32 mi11:07:111:02:046:4020:41
6:40
0:00
20K
12.43 mi11:28:151:23:086:4221:04
6:47
+0:07
HALF
13.11 mi11:32:491:27:426:424:34
6:42
-0:05
25K
15.53 mi11:49:301:44:236:4416:41
6:53
+0:11
30K
18.64 mi12:11:402:06:336:4822:10
7:09
+0:16
20M
20.00 mi12:21:412:16:346:5010:01
7:23
+0:14
21M
21.00 mi12:29:312:24:246:537:50
7:50
+0:27
35K
21.75 mi12:35:002:29:536:545:29
7:20
-0:30
23M
23.00 mi12:45:272:40:206:5910:27
8:22
+1:02
24M
24.00 mi12:52:562:47:497:007:29
7:29
-0:53
40K
24.85 mi12:59:232:54:167:016:27
7:33
+0:04
25.2M
25.20 mi13:02:152:57:087:022:52
8:19
+0:46
FINISH
26.22 mi13:09:573:04:507:047:42
7:34
-0:45

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

6:40 /mi

Average Pace

7:03 /mi

Slowest Pace

8:22 /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

1:44:23

56% of race

Time at Steady Pace

59:18

32% of race

Time at Slower Pace

21:09

11% of race

Average Pace: 7:03 /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 mi10:25:4920:426:4020:42
6:40
#5552
10K
6.21 mi10:46:3041:236:4020:41
6:40
#5509
15K
9.32 mi11:07:111:02:046:4020:41
6:40
#5452
20K
12.43 mi11:28:151:23:086:4221:04
6:47
#5545
HALF
13.11 mi11:32:491:27:426:424:34
6:42
#5557
25K
15.53 mi11:49:301:44:236:4416:41
6:53
#5670
30K
18.64 mi12:11:402:06:336:4822:10
7:09
#5912
20M
20.00 mi12:21:412:16:346:5010:01
7:23
#6115
21M
21.00 mi12:29:312:24:246:537:50
7:50
#6291
35K
21.75 mi12:35:002:29:536:545:29
7:20
#6396
23M
23.00 mi12:45:272:40:206:5910:27
8:22
#6830
24M
24.00 mi12:52:562:47:497:007:29
7:29
#6889
40K
24.85 mi12:59:232:54:167:016:27
7:33
#6924
25.2M
25.20 mi13:02:152:57:087:022:52
8:19
#6947
FINISH
26.22 mi13:09:573:04:507:047:42
7:34
#7079
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi5552512551255435(Top 19%)5023(Top 31%)5023(Top 229%)
10K6.21 mi3.10 mi5509+435100+255100+255551(Top 19%)5120(Top 31%)5120(Top 233%)
15K9.32 mi3.11 mi5452+575050+505050+505435(Top 19%)5023(Top 31%)5023(Top 229%)
20K12.43 mi3.11 mi5545-935118-685118-686008(Top 21%)5413(Top 33%)5413(Top 246%)
HALF13.11 mi0.68 mi5557-125125-75125-76178(Top 21%)5565(Top 34%)5565(Top 253%)
25K15.53 mi2.42 mi5670-1135198-735198-736500(Top 22%)5741(Top 35%)5741(Top 261%)
30K18.64 mi3.11 mi5912-2425351-1535351-1536930(Top 24%)5948(Top 36%)5948(Top 271%)
20M20.00 mi1.36 mi6115-2035487-1365487-1368200(Top 28%)6602(Top 40%)6602(Top 300%)
21M21.00 mi1.00 mi6291-1765608-1215608-1218711(Top 30%)6768(Top 41%)6768(Top 308%)
35K21.75 mi0.75 mi6396-1055687-795687-799472(Top 33%)7188(Top 44%)7188(Top 327%)
23M23.00 mi1.25 mi6830-4345990-3035990-30314751(Top 51%)9548(Top 58%)9548(Top 434%)
24M24.00 mi1.00 mi6889-596010-206010-209904(Top 34%)7234(Top 44%)7234(Top 329%)
40K24.85 mi0.85 mi6924-356014-46014-49118(Top 31%)6737(Top 41%)6737(Top 307%)
25.2M25.20 mi0.35 mi6947-236019-56019-510257(Top 35%)7233(Top 44%)7233(Top 329%)
FINISH26.22 mi1.02 mi7079-1326090-716090-7111829(Top 41%)7999(Top 49%)7999(Top 364%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21
+97ft-345ft

Overall

5435

Males

5023

M40-44

5023

5K→10K

3.1 - 6.2 mi

Top 19%
×5
+79ft-138ft

Overall

5551

Males

5120

M40-44

5120

10K→15K

6.2 - 9.3 mi

Top 19%
×3
+67ft-78ft

Overall

5435

Males

5023

M40-44

5023

15K→20K

9.3 - 12.4 mi

Top 21%
×5
+106ft-86ft

Overall

6008

Males

5413

M40-44

5413

20K→HALF

12.4 - 13.1 mi

Top 21%
×2
+19ft-37ft

Overall

6178

Males

5565

M40-44

5565

HALF→25K

13.1 - 15.5 mi

Top 22%
×4
+66ft-88ft

Overall

6500

Males

5741

M40-44

5741

25K→30K

15.5 - 18.6 mi

Top 24%
×9
+181ft-148ft

Overall

6930

Males

5948

M40-44

5948

30K→20M

18.6 - 20.0 mi

Top 28%
×5
+64ft-50ft

Overall

8200

Males

6602

M40-44

6602

20M→21M

20.0 - 21.0 mi

Top 30%
×8
+106ft-24ft

Overall

8711

Males

6768

M40-44

6768

21M→35K

21.0 - 21.8 mi

Top 33%
×7
+17ft-86ft

Overall

9472

Males

7188

M40-44

7188

35K→23M

21.8 - 23.0 mi

Top 51%
×5
+23ft-63ft

Overall

14751

Males

9548

M40-44

9548

23M→24M

23.0 - 24.0 mi

Top 34%
×6
+12ft-82ft

Overall

9904

Males

7234

M40-44

7234

24M→40K

24.0 - 24.9 mi

Top 31%
×1
+6ft-20ft

Overall

9118

Males

6737

M40-44

6737

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1
+13ft-16ft

Overall

10257

Males

7233

M40-44

7233

25.2M→FINISH

25.2 - 26.2 mi

Top 41%
×2
+22ft-21ft

Overall

11829

Males

7999

M40-44

7999

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
824
Passed By
2351
Net Change
-1527
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5552
5K → 10K211168+43#5552#5509
10K → 15K14790+57#5509#5452
15K → 20K73166-93#5452#5545
20K → HALF1830-12#5545#5557
HALF → 25K68181-113#5557#5670
25K → 30K80322-242#5670#5912
30K → 20M25228-203#5912#6115
20M → 21M30206-176#6115#6291
21M → 35K27132-105#6291#6396
35K → 23M17451-434#6396#6830
23M → 24M3998-59#6830#6889
24M → 40K4681-35#6889#6924
40K → 25.2M2043-23#6924#6947
25.2M → FINISH23155-132#6947#7079
TOTALS8242351-1527
📊

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