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BOSTON MARATHON 2026

Samantha Mccormick

Bib: 17791•F

VA

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0:00
/ mi
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Overall
#0 / 29021
Top 32%
Gender (Female)
#0 / 12578
Top 15%
Age Group (F18-39)
#0 / 5716
Top 28%
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
23:17
3.11 mi
Rank: #12733
Start → 5K
23:17 | 7:30/mi
10K
45:41
6.21 mi
Rank: #11541 (+1192)
5K → 10K
22:24 | 7:13/mi
15K
1:08:13
9.32 mi
Rank: #11198 (+343)
10K → 15K
22:32 | 7:16/mi
20K
1:30:46
12.43 mi
Rank: #10858 (+340)
15K → 20K
22:33 | 7:16/mi
HALF
1:35:42
13.11 mi
Rank: #10825 (+33)
20K → HALF
4:56 | 7:15/mi
25K
1:53:30
15.53 mi
Rank: #10649 (+176)
HALF → 25K
17:48 | 7:21/mi
30K
2:16:46
18.64 mi
Rank: #10390 (+259)
25K → 30K
23:16 | 7:30/mi
20M
2:26:57
20.00 mi
Rank: #10239 (+151)
30K → 20M
10:11 | 7:30/mi
21M
2:34:43
21.00 mi
Rank: #10090 (+149)
20M → 21M
7:46 | 7:46/mi
35K
2:40:08
21.75 mi
Rank: #10024 (+66)
21M → 35K
5:25 | 7:15/mi
23M
2:49:22
23.00 mi
Rank: #9826 (+198)
35K → 23M
9:14 | 7:23/mi
24M
2:56:35
24.00 mi
Rank: #9725 (+101)
23M → 24M
7:13 | 7:13/mi
40K
3:02:41
24.85 mi
Rank: #9547 (+178)
24M → 40K
6:06 | 7:09/mi
25.2M
3:05:15
25.20 mi
Rank: #9440 (+107)
40K → 25.2M
2:34 | 7:27/mi
FINISH
3:12:19
26.22 mi
Rank: #9318 (+122)
25.2M → FINISH
7:04 | 6:57/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:35:42
Pace7:19 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:36:37
Pace7:23 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:05:5223:177:3023:17
7:30
-
10K
6.21 mi11:28:1645:417:2222:24
7:13
-0:17
15K
9.32 mi11:50:481:08:137:2022:32
7:16
+0:03
20K
12.43 mi12:13:211:30:467:1922:33
7:16
0:00
HALF
13.11 mi12:18:171:35:427:194:56
7:15
-0:01
25K
15.53 mi12:36:051:53:307:1917:48
7:21
+0:06
30K
18.64 mi12:59:212:16:467:2123:16
7:30
+0:09
20M
20.00 mi13:09:322:26:577:2110:11
7:30
0:00
21M
21.00 mi13:17:182:34:437:237:46
7:46
+0:16
35K
21.75 mi13:22:432:40:087:225:25
7:15
-0:31
23M
23.00 mi13:31:572:49:227:229:14
7:23
+0:08
24M
24.00 mi13:39:102:56:357:227:13
7:13
-0:10
40K
24.85 mi13:45:163:02:417:226:06
7:09
-0:04
25.2M
25.20 mi13:47:503:05:157:222:34
7:27
+0:18
FINISH
26.22 mi13:54:543:12:197:217:04
6:57
-0:30

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

6:57 /mi

Average Pace

7:20 /mi

Slowest Pace

7:46 /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

3:04:33

96% of race

Time at Steady Pace

7:46

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:20 /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 mi11:05:5223:177:3023:17
7:30
#12733
10K
6.21 mi11:28:1645:417:2222:24
7:13
#11541
15K
9.32 mi11:50:481:08:137:2022:32
7:16
#11198
20K
12.43 mi12:13:211:30:467:1922:33
7:16
#10858
HALF
13.11 mi12:18:171:35:427:194:56
7:15
#10825
25K
15.53 mi12:36:051:53:307:1917:48
7:21
#10649
30K
18.64 mi12:59:212:16:467:2123:16
7:30
#10390
20M
20.00 mi13:09:322:26:577:2110:11
7:30
#10239
21M
21.00 mi13:17:182:34:437:237:46
7:46
#10090
35K
21.75 mi13:22:432:40:087:225:25
7:15
#10024
23M
23.00 mi13:31:572:49:227:229:14
7:23
#9826
24M
24.00 mi13:39:102:56:357:227:13
7:13
#9725
40K
24.85 mi13:45:163:02:417:226:06
7:09
#9547
25.2M
25.20 mi13:47:503:05:157:222:34
7:27
#9440
FINISH
26.22 mi13:54:543:12:197:217:04
6:57
#9318
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 mi127333330333010603(Top 37%)2264(Top 18%)2264(Top 40%)
10K6.21 mi3.10 mi11541+11922685+6452685+64510364(Top 36%)2086(Top 17%)2086(Top 36%)
15K9.32 mi3.11 mi11198+3432531+1542531+15410603(Top 37%)2264(Top 18%)2264(Top 40%)
20K12.43 mi3.11 mi10858+3402393+1382393+1389829(Top 34%)1951(Top 16%)1951(Top 34%)
HALF13.11 mi0.68 mi10825+332378+152378+1510682(Top 37%)2306(Top 18%)2306(Top 40%)
25K15.53 mi2.42 mi10649+1762326+522326+5210061(Top 35%)2149(Top 17%)2149(Top 38%)
30K18.64 mi3.11 mi10390+2592238+882238+889594(Top 33%)2086(Top 17%)2086(Top 36%)
20M20.00 mi1.36 mi10239+1512193+452193+459127(Top 31%)1964(Top 16%)1964(Top 34%)
21M21.00 mi1.00 mi10090+1492145+482145+488286(Top 29%)1724(Top 14%)1724(Top 30%)
35K21.75 mi0.75 mi10024+662122+232122+238891(Top 31%)1967(Top 16%)1967(Top 34%)
23M23.00 mi1.25 mi9826+1982046+762046+768005(Top 28%)1642(Top 13%)1642(Top 29%)
24M24.00 mi1.00 mi9725+1012017+292017+298008(Top 28%)1727(Top 14%)1727(Top 30%)
40K24.85 mi0.85 mi9547+1781955+621955+626389(Top 22%)1143(Top 9%)1143(Top 20%)
25.2M25.20 mi0.35 mi9440+1071922+331922+335038(Top 17%)806(Top 6%)806(Top 14%)
FINISH26.22 mi1.02 mi9318+1221902+201902+207089(Top 24%)1520(Top 12%)1520(Top 27%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21
+97ft-345ft

Overall

10603

Females

2264

F18-39

2264

5K→10K

3.1 - 6.2 mi

Top 36%
×5
+79ft-138ft

Overall

10364

Females

2086

F18-39

2086

10K→15K

6.2 - 9.3 mi

Top 37%
×3
+67ft-78ft

Overall

10603

Females

2264

F18-39

2264

15K→20K

9.3 - 12.4 mi

Top 34%
×5
+106ft-86ft

Overall

9829

Females

1951

F18-39

1951

20K→HALF

12.4 - 13.1 mi

Top 37%
×2
+19ft-37ft

Overall

10682

Females

2306

F18-39

2306

HALF→25K

13.1 - 15.5 mi

Top 35%
×4
+66ft-88ft

Overall

10061

Females

2149

F18-39

2149

25K→30K

15.5 - 18.6 mi

Top 33%
×9
+181ft-148ft

Overall

9594

Females

2086

F18-39

2086

30K→20M

18.6 - 20.0 mi

Top 31%
×5
+64ft-50ft

Overall

9127

Females

1964

F18-39

1964

20M→21M

20.0 - 21.0 mi

Top 29%
×8
+106ft-24ft

Overall

8286

Females

1724

F18-39

1724

21M→35K

21.0 - 21.8 mi

Top 31%
×7
+17ft-86ft

Overall

8891

Females

1967

F18-39

1967

35K→23M

21.8 - 23.0 mi

Top 28%
×5
+23ft-63ft

Overall

8005

Females

1642

F18-39

1642

23M→24M

23.0 - 24.0 mi

Top 28%
×6
+12ft-82ft

Overall

8008

Females

1727

F18-39

1727

24M→40K

24.0 - 24.9 mi

Top 22%
×1
+6ft-20ft

Overall

6389

Females

1143

F18-39

1143

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1
+13ft-16ft

Overall

5038

Females

806

F18-39

806

25.2M→FINISH

25.2 - 26.2 mi

Top 24%
×2
+22ft-21ft

Overall

7089

Females

1520

F18-39

1520

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3766*
Passed By
351
Net Change
+3415
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12733
5K → 10K1214*22+1192#12733#11541
10K → 15K392*49+343#11541#11198
15K → 20K360*20+340#11198#10858
20K → HALF5219+33#10858#10825
HALF → 25K230*54+176#10825#10649
25K → 30K325*66+259#10649#10390
30K → 20M17322+151#10390#10239
20M → 21M16516+149#10239#10090
21M → 35K8014+66#10090#10024
35K → 23M218*20+198#10024#9826
23M → 24M12524+101#9826#9725
24M → 40K1879+178#9725#9547
40K → 25.2M1092+107#9547#9440
25.2M → FINISH13614+122#9440#9318
TOTALS3766*351+3415

* 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