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BOSTON MARATHON 2026

Isabel Arvelo

Bib: 14471•F

IL

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 31%
Gender (Female)
#0 / 12578
Top 14%
Age Group (F18-39)
#0 / 5716
Top 25%
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
21:48
3.11 mi
Rank: #8696
Start → 5K
21:48 | 7:02/mi
10K
43:55
6.21 mi
Rank: #9113 (-417)
5K → 10K
22:07 | 7:08/mi
15K
1:06:06
9.32 mi
Rank: #9224 (-111)
10K → 15K
22:11 | 7:09/mi
20K
1:28:30
12.43 mi
Rank: #9254 (-30)
15K → 20K
22:24 | 7:13/mi
HALF
1:33:22
13.11 mi
Rank: #9271 (-17)
20K → HALF
4:52 | 7:09/mi
25K
1:50:54
15.53 mi
Rank: #9221 (+50)
HALF → 25K
17:32 | 7:14/mi
30K
2:14:18
18.64 mi
Rank: #9284 (-63)
25K → 30K
23:24 | 7:32/mi
20M
2:24:42
20.00 mi
Rank: #9324 (-40)
30K → 20M
10:24 | 7:40/mi
21M
2:32:46
21.00 mi
Rank: #9339 (-15)
20M → 21M
8:04 | 8:04/mi
35K
2:38:18
21.75 mi
Rank: #9326 (+13)
21M → 35K
5:32 | 7:24/mi
23M
2:47:44
23.00 mi
Rank: #9247 (+79)
35K → 23M
9:26 | 7:33/mi
24M
2:55:01
24.00 mi
Rank: #9169 (+78)
23M → 24M
7:17 | 7:17/mi
40K
3:01:24
24.85 mi
Rank: #9111 (+58)
24M → 40K
6:23 | 7:28/mi
25.2M
3:04:04
25.20 mi
Rank: #9048 (+63)
40K → 25.2M
2:40 | 7:44/mi
FINISH
3:11:02
26.22 mi
Rank: #8903 (+145)
25.2M → FINISH
6:58 | 6:51/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:33:22
Pace7:08 /mi
2nd Half
Distance13.11 mi
Time1:37:40
Pace7:27 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5521:487:0221:48
7:02
-
10K
6.21 mi11:14:0243:557:0522:07
7:08
+0:06
15K
9.32 mi11:36:131:06:067:0622:11
7:09
+0:01
20K
12.43 mi11:58:371:28:307:0822:24
7:13
+0:04
HALF
13.11 mi12:03:291:33:227:084:52
7:09
-0:04
25K
15.53 mi12:21:011:50:547:0917:32
7:14
+0:05
30K
18.64 mi12:44:252:14:187:1323:24
7:32
+0:18
20M
20.00 mi12:54:492:24:427:1510:24
7:40
+0:08
21M
21.00 mi13:02:532:32:467:178:04
8:04
+0:24
35K
21.75 mi13:08:252:38:187:175:32
7:24
-0:40
23M
23.00 mi13:17:512:47:447:189:26
7:33
+0:09
24M
24.00 mi13:25:082:55:017:187:17
7:17
-0:16
40K
24.85 mi13:31:313:01:247:186:23
7:28
+0:11
25.2M
25.20 mi13:34:113:04:047:192:40
7:44
+0:16
FINISH
26.22 mi13:41:093:11:027:186:58
6:51
-0:53

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

6:51 /mi

Average Pace

7:17 /mi

Slowest Pace

8:04 /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

2:40:28

84% of race

Time at Steady Pace

30:34

16% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:17 /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 mi10:51:5521:487:0221:48
7:02
#8696
10K
6.21 mi11:14:0243:557:0522:07
7:08
#9113
15K
9.32 mi11:36:131:06:067:0622:11
7:09
#9224
20K
12.43 mi11:58:371:28:307:0822:24
7:13
#9254
HALF
13.11 mi12:03:291:33:227:084:52
7:09
#9271
25K
15.53 mi12:21:011:50:547:0917:32
7:14
#9221
30K
18.64 mi12:44:252:14:187:1323:24
7:32
#9284
20M
20.00 mi12:54:492:24:427:1510:24
7:40
#9324
21M
21.00 mi13:02:532:32:467:178:04
8:04
#9339
35K
21.75 mi13:08:252:38:187:175:32
7:24
#9326
23M
23.00 mi13:17:512:47:447:189:26
7:33
#9247
24M
24.00 mi13:25:082:55:017:187:17
7:17
#9169
40K
24.85 mi13:31:313:01:247:186:23
7:28
#9111
25.2M
25.20 mi13:34:113:04:047:192:40
7:44
#9048
FINISH
26.22 mi13:41:093:11:027:186:58
6:51
#8903
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8696130213029610(Top 33%)1757(Top 14%)1757(Top 31%)
10K6.21 mi3.10 mi9113-4171481-1791481-1799545(Top 33%)1690(Top 13%)1690(Top 30%)
15K9.32 mi3.11 mi9224-1111548-671548-679610(Top 33%)1757(Top 14%)1757(Top 31%)
20K12.43 mi3.11 mi9254-301581-331581-339447(Top 33%)1773(Top 14%)1773(Top 31%)
HALF13.11 mi0.68 mi9271-171595-141595-149816(Top 34%)1886(Top 15%)1886(Top 33%)
25K15.53 mi2.42 mi9221+501604-91604-99135(Top 31%)1709(Top 14%)1709(Top 30%)
30K18.64 mi3.11 mi9284-631682-781682-789910(Top 34%)2221(Top 18%)2221(Top 39%)
20M20.00 mi1.36 mi9324-401737-551737-5510282(Top 35%)2532(Top 20%)2532(Top 44%)
21M21.00 mi1.00 mi9339-151762-251762-2510355(Top 36%)2652(Top 21%)2652(Top 46%)
35K21.75 mi0.75 mi9326+131772-101772-1010079(Top 35%)2518(Top 20%)2518(Top 44%)
23M23.00 mi1.25 mi9247+791777-51777-59158(Top 32%)2165(Top 17%)2165(Top 38%)
24M24.00 mi1.00 mi9169+781771+61771+68505(Top 29%)1953(Top 16%)1953(Top 34%)
40K24.85 mi0.85 mi9111+581772-11772-18637(Top 30%)2089(Top 17%)2089(Top 37%)
25.2M25.20 mi0.35 mi9048+631751+211751+216732(Top 23%)1327(Top 11%)1327(Top 23%)
FINISH26.22 mi1.02 mi8903+1451722+291722+296407(Top 22%)1257(Top 10%)1257(Top 22%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21
+97ft-345ft

Overall

9610

Females

1757

F18-39

1757

5K→10K

3.1 - 6.2 mi

Top 33%
×5
+79ft-138ft

Overall

9545

Females

1690

F18-39

1690

10K→15K

6.2 - 9.3 mi

Top 33%
×3
+67ft-78ft

Overall

9610

Females

1757

F18-39

1757

15K→20K

9.3 - 12.4 mi

Top 33%
×5
+106ft-86ft

Overall

9447

Females

1773

F18-39

1773

20K→HALF

12.4 - 13.1 mi

Top 34%
×2
+19ft-37ft

Overall

9816

Females

1886

F18-39

1886

HALF→25K

13.1 - 15.5 mi

Top 31%
×4
+66ft-88ft

Overall

9135

Females

1709

F18-39

1709

25K→30K

15.5 - 18.6 mi

Top 34%
×9
+181ft-148ft

Overall

9910

Females

2221

F18-39

2221

30K→20M

18.6 - 20.0 mi

Top 35%
×5
+64ft-50ft

Overall

10282

Females

2532

F18-39

2532

20M→21M

20.0 - 21.0 mi

Top 36%
×8
+106ft-24ft

Overall

10355

Females

2652

F18-39

2652

21M→35K

21.0 - 21.8 mi

Top 35%
×7
+17ft-86ft

Overall

10079

Females

2518

F18-39

2518

35K→23M

21.8 - 23.0 mi

Top 32%
×5
+23ft-63ft

Overall

9158

Females

2165

F18-39

2165

23M→24M

23.0 - 24.0 mi

Top 29%
×6
+12ft-82ft

Overall

8505

Females

1953

F18-39

1953

24M→40K

24.0 - 24.9 mi

Top 30%
×1
+6ft-20ft

Overall

8637

Females

2089

F18-39

2089

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1
+13ft-16ft

Overall

6732

Females

1327

F18-39

1327

25.2M→FINISH

25.2 - 26.2 mi

Top 22%
×2
+22ft-21ft

Overall

6407

Females

1257

F18-39

1257

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1385
Passed By
1258
Net Change
-207
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8696
5K → 10K96200-417#8696#9113
10K → 15K100200-111#9113#9224
15K → 20K122152-30#9224#9254
20K → HALF1734-17#9254#9271
HALF → 25K12979+50#9271#9221
25K → 30K147200-63#9221#9284
30K → 20M78118-40#9284#9324
20M → 21M8499-15#9324#9339
21M → 35K5845+13#9339#9326
35K → 23M13152+79#9326#9247
23M → 24M10123+78#9247#9169
24M → 40K9335+58#9169#9111
40K → 25.2M685+63#9111#9048
25.2M → FINISH16116+145#9048#8903
TOTALS13851258-207
📊

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