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BOSTON MARATHON 2026

Stephanie Snow

Bib: 18240•F

VA

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 43%
Gender (Female)
#0 / 12578
Top 28%
Masters (Masters Women)
#0 / 6862
Top 13%
Age Group (F45-49)
#0 / 1786
Top 13%
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
23:28
3.11 mi
Rank: #13230
Start → 5K
23:28 | 7:34/mi
10K
46:53
6.21 mi
Rank: #13232 (-2)
5K → 10K
23:25 | 7:33/mi
15K
1:11:05
9.32 mi
Rank: #13895 (-663)
10K → 15K
24:12 | 7:48/mi
20K
1:34:49
12.43 mi
Rank: #13676 (+219)
15K → 20K
23:44 | 7:39/mi
HALF
1:39:57
13.11 mi
Rank: #13651 (+25)
20K → HALF
5:08 | 7:32/mi
25K
1:58:34
15.53 mi
Rank: #13513 (+138)
HALF → 25K
18:37 | 7:41/mi
30K
2:22:58
18.64 mi
Rank: #13290 (+223)
25K → 30K
24:24 | 7:52/mi
20M
2:33:36
20.00 mi
Rank: #13122 (+168)
30K → 20M
10:38 | 7:50/mi
21M
2:42:01
21.00 mi
Rank: #13075 (+47)
20M → 21M
8:25 | 8:25/mi
35K
2:47:39
21.75 mi
Rank: #12995 (+80)
21M → 35K
5:38 | 7:32/mi
23M
2:57:26
23.00 mi
Rank: #12855 (+140)
35K → 23M
9:47 | 7:50/mi
24M
3:05:01
24.00 mi
Rank: #12737 (+118)
23M → 24M
7:35 | 7:35/mi
40K
3:11:42
24.85 mi
Rank: #12666 (+71)
24M → 40K
6:41 | 7:50/mi
25.2M
3:14:39
25.20 mi
Rank: #12635 (+31)
40K → 25.2M
2:57 | 8:34/mi
FINISH
3:22:19
26.22 mi
Rank: #12570 (+65)
25.2M → FINISH
7:40 | 7:32/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:39:57
Pace7:38 /mi
2nd Half
Distance13.11 mi
Time1:42:22
Pace7:49 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:05:2623:287:3423:28
7:34
-
10K
6.21 mi11:28:5146:537:3323:25
7:33
-0:01
15K
9.32 mi11:53:031:11:057:3824:12
7:48
+0:15
20K
12.43 mi12:16:471:34:497:3823:44
7:39
-0:09
HALF
13.11 mi12:21:551:39:577:385:08
7:32
-0:07
25K
15.53 mi12:40:321:58:347:3818:37
7:41
+0:09
30K
18.64 mi13:04:562:22:587:4124:24
7:52
+0:11
20M
20.00 mi13:15:342:33:367:4110:38
7:50
-0:02
21M
21.00 mi13:23:592:42:017:438:25
8:25
+0:35
35K
21.75 mi13:29:372:47:397:435:38
7:32
-0:53
23M
23.00 mi13:39:242:57:267:439:47
7:50
+0:18
24M
24.00 mi13:46:593:05:017:437:35
7:35
-0:15
40K
24.85 mi13:53:403:11:427:436:41
7:50
+0:15
25.2M
25.20 mi13:56:373:14:397:442:57
8:34
+0:44
FINISH
26.22 mi14:04:173:22:197:447:40
7:32
-1:02

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

7:32 /mi

Average Pace

7:43 /mi

Slowest Pace

8:34 /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

3:10:57

94% of race

Time at Steady Pace

11:22

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:43 /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 mi11:05:2623:287:3423:28
7:34
#13230
10K
6.21 mi11:28:5146:537:3323:25
7:33
#13232
15K
9.32 mi11:53:031:11:057:3824:12
7:48
#13895
20K
12.43 mi12:16:471:34:497:3823:44
7:39
#13676
HALF
13.11 mi12:21:551:39:577:385:08
7:32
#13651
25K
15.53 mi12:40:321:58:347:3818:37
7:41
#13513
30K
18.64 mi13:04:562:22:587:4124:24
7:52
#13290
20M
20.00 mi13:15:342:33:367:4110:38
7:50
#13122
21M
21.00 mi13:23:592:42:017:438:25
8:25
#13075
35K
21.75 mi13:29:372:47:397:435:38
7:32
#12995
23M
23.00 mi13:39:242:57:267:439:47
7:50
#12855
24M
24.00 mi13:46:593:05:017:437:35
7:35
#12737
40K
24.85 mi13:53:403:11:427:436:41
7:50
#12666
25.2M
25.20 mi13:56:373:14:397:442:57
8:34
#12635
FINISH
26.22 mi14:04:173:22:197:447:40
7:32
#12570
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi132303622362215259(Top 53%)4897(Top 39%)4897(Top 274%)
10K6.21 mi3.10 mi13232-23661-393661-3913269(Top 46%)3692(Top 29%)3692(Top 207%)
15K9.32 mi3.11 mi13895-6634052-3914052-39115259(Top 53%)4897(Top 39%)4897(Top 274%)
20K12.43 mi3.11 mi13676+2193949+1033949+10313189(Top 45%)3768(Top 30%)3768(Top 211%)
HALF13.11 mi0.68 mi13651+253938+113938+1113300(Top 46%)3745(Top 30%)3745(Top 210%)
25K15.53 mi2.42 mi13513+1383885+533885+5312881(Top 44%)3663(Top 29%)3663(Top 205%)
30K18.64 mi3.11 mi13290+2233811+743811+7412393(Top 43%)3522(Top 28%)3522(Top 197%)
20M20.00 mi1.36 mi13122+1683747+643747+6411592(Top 40%)3205(Top 25%)3205(Top 179%)
21M21.00 mi1.00 mi13075+473739+83739+812614(Top 43%)3844(Top 31%)3844(Top 215%)
35K21.75 mi0.75 mi12995+803711+283711+2811160(Top 38%)3094(Top 25%)3094(Top 173%)
23M23.00 mi1.25 mi12855+1403652+593652+5911184(Top 39%)3213(Top 26%)3213(Top 180%)
24M24.00 mi1.00 mi12737+1183604+483604+4810772(Top 37%)3056(Top 24%)3056(Top 171%)
40K24.85 mi0.85 mi12666+713590+143590+1411209(Top 39%)3364(Top 27%)3364(Top 188%)
25.2M25.20 mi0.35 mi12635+313587+33587+312052(Top 42%)3882(Top 31%)3882(Top 217%)
FINISH26.22 mi1.02 mi12570+653580+73580+711646(Top 40%)3680(Top 29%)3680(Top 206%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21
+97ft-345ft

Overall

15259

Females

4897

F45-49

4897

5K→10K

3.1 - 6.2 mi

Top 46%
×5
+79ft-138ft

Overall

13269

Females

3692

F45-49

3692

10K→15K

6.2 - 9.3 mi

Top 53%
×3
+67ft-78ft

Overall

15259

Females

4897

F45-49

4897

15K→20K

9.3 - 12.4 mi

Top 45%
×5
+106ft-86ft

Overall

13189

Females

3768

F45-49

3768

20K→HALF

12.4 - 13.1 mi

Top 46%
×2
+19ft-37ft

Overall

13300

Females

3745

F45-49

3745

HALF→25K

13.1 - 15.5 mi

Top 44%
×4
+66ft-88ft

Overall

12881

Females

3663

F45-49

3663

25K→30K

15.5 - 18.6 mi

Top 43%
×9
+181ft-148ft

Overall

12393

Females

3522

F45-49

3522

30K→20M

18.6 - 20.0 mi

Top 40%
×5
+64ft-50ft

Overall

11592

Females

3205

F45-49

3205

20M→21M

20.0 - 21.0 mi

Top 43%
×8
+106ft-24ft

Overall

12614

Females

3844

F45-49

3844

21M→35K

21.0 - 21.8 mi

Top 38%
×7
+17ft-86ft

Overall

11160

Females

3094

F45-49

3094

35K→23M

21.8 - 23.0 mi

Top 39%
×5
+23ft-63ft

Overall

11184

Females

3213

F45-49

3213

23M→24M

23.0 - 24.0 mi

Top 37%
×6
+12ft-82ft

Overall

10772

Females

3056

F45-49

3056

24M→40K

24.0 - 24.9 mi

Top 39%
×1
+6ft-20ft

Overall

11209

Females

3364

F45-49

3364

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1
+13ft-16ft

Overall

12052

Females

3882

F45-49

3882

25.2M→FINISH

25.2 - 26.2 mi

Top 40%
×2
+22ft-21ft

Overall

11646

Females

3680

F45-49

3680

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2009*
Passed By
830
Net Change
+660
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13230
5K → 10K200200-2#13230#13232
10K → 15K54200-663#13232#13895
15K → 20K285*66+219#13895#13676
20K → HALF4419+25#13676#13651
HALF → 25K19355+138#13651#13513
25K → 30K295*72+223#13513#13290
30K → 20M19325+168#13290#13122
20M → 21M10154+47#13122#13075
21M → 35K9616+80#13075#12995
35K → 23M17131+140#12995#12855
23M → 24M13719+118#12855#12737
24M → 40K9524+71#12737#12666
40K → 25.2M4312+31#12666#12635
25.2M → FINISH10237+65#12635#12570
TOTALS2009*830+660

* 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