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BOSTON MARATHON 2026

Stephanie Cook

Bib: 16356•F

NY

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 23%
Gender (Female)
#0 / 12578
Top 7%
Age Group (F18-39)
#0 / 5716
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
22:34
3.11 mi
Rank: #10722
Start → 5K
22:34 | 7:16/mi
10K
44:29
6.21 mi
Rank: #9846 (+876)
5K → 10K
21:55 | 7:04/mi
15K
1:06:17
9.32 mi
Rank: #9372 (+474)
10K → 15K
21:48 | 7:02/mi
20K
1:28:19
12.43 mi
Rank: #9140 (+232)
15K → 20K
22:02 | 7:06/mi
HALF
1:33:08
13.11 mi
Rank: #9140
20K → HALF
4:49 | 7:04/mi
25K
1:50:18
15.53 mi
Rank: #8920 (+220)
HALF → 25K
17:10 | 7:05/mi
30K
2:12:32
18.64 mi
Rank: #8500 (+420)
25K → 30K
22:14 | 7:10/mi
20M
2:22:01
20.00 mi
Rank: #8227 (+273)
30K → 20M
9:29 | 6:59/mi
21M
2:29:09
21.00 mi
Rank: #7974 (+253)
20M → 21M
7:08 | 7:08/mi
35K
2:34:08
21.75 mi
Rank: #7830 (+144)
21M → 35K
4:59 | 6:40/mi
23M
2:42:36
23.00 mi
Rank: #7516 (+314)
35K → 23M
8:28 | 6:46/mi
24M
2:49:13
24.00 mi
Rank: #7310 (+206)
23M → 24M
6:37 | 6:37/mi
40K
2:54:54
24.85 mi
Rank: #7105 (+205)
24M → 40K
5:41 | 6:39/mi
25.2M
2:57:20
25.20 mi
Rank: #7003 (+102)
40K → 25.2M
2:26 | 7:04/mi
FINISH
3:03:42
26.22 mi
Rank: #6788 (+215)
25.2M → FINISH
6:22 | 6:15/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:33:08
Pace7:07 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:30:34
Pace6:55 /mi
📊Negative Split: 2.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:05:2622:347:1622:34
7:16
-
10K
6.21 mi11:27:2144:297:1021:55
7:04
-0:12
15K
9.32 mi11:49:091:06:177:0721:48
7:02
-0:02
20K
12.43 mi12:11:111:28:197:0722:02
7:06
+0:04
HALF
13.11 mi12:16:001:33:087:074:49
7:04
-0:02
25K
15.53 mi12:33:101:50:187:0717:10
7:05
+0:01
30K
18.64 mi12:55:242:12:327:0722:14
7:10
+0:05
20M
20.00 mi13:04:532:22:017:079:29
6:59
-0:11
21M
21.00 mi13:12:012:29:097:077:08
7:08
+0:09
35K
21.75 mi13:17:002:34:087:064:59
6:40
-0:28
23M
23.00 mi13:25:282:42:367:058:28
6:46
+0:06
24M
24.00 mi13:32:052:49:137:046:37
6:37
-0:09
40K
24.85 mi13:37:462:54:547:035:41
6:39
+0:02
25.2M
25.20 mi13:40:122:57:207:032:26
7:04
+0:25
FINISH
26.22 mi13:46:343:03:427:016:22
6:15
-0:49

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

6:15 /mi

Average Pace

7:01 /mi

Slowest Pace

7:16 /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

32:07

17% of race

Time at Steady Pace

2:31:35

83% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:00 /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 mi11:05:2622:347:1622:34
7:16
#10722
10K
6.21 mi11:27:2144:297:1021:55
7:04
#9846
15K
9.32 mi11:49:091:06:177:0721:48
7:02
#9372
20K
12.43 mi12:11:111:28:197:0722:02
7:06
#9140
HALF
13.11 mi12:16:001:33:087:074:49
7:04
#9140
25K
15.53 mi12:33:101:50:187:0717:10
7:05
#8920
30K
18.64 mi12:55:242:12:327:0722:14
7:10
#8500
20M
20.00 mi13:04:532:22:017:079:29
6:59
#8227
21M
21.00 mi13:12:012:29:097:077:08
7:08
#7974
35K
21.75 mi13:17:002:34:087:064:59
6:40
#7830
23M
23.00 mi13:25:282:42:367:058:28
6:46
#7516
24M
24.00 mi13:32:052:49:137:046:37
6:37
#7310
40K
24.85 mi13:37:462:54:547:035:41
6:39
#7105
25.2M
25.20 mi13:40:122:57:207:032:26
7:04
#7003
FINISH
26.22 mi13:46:343:03:427:016:22
6:15
#6788
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 mi10722223022308682(Top 30%)1362(Top 11%)1362(Top 24%)
10K6.21 mi3.10 mi9846+8761811+4191811+4199083(Top 31%)1499(Top 12%)1499(Top 26%)
15K9.32 mi3.11 mi9372+4741611+2001611+2008682(Top 30%)1362(Top 11%)1362(Top 24%)
20K12.43 mi3.11 mi9140+2321537+741537+748540(Top 29%)1356(Top 11%)1356(Top 24%)
HALF13.11 mi0.68 mi9140153715379186(Top 32%)1567(Top 12%)1567(Top 27%)
25K15.53 mi2.42 mi8920+2201472+651472+657977(Top 27%)1212(Top 10%)1212(Top 21%)
30K18.64 mi3.11 mi8500+4201344+1281344+1287099(Top 24%)1023(Top 8%)1023(Top 18%)
20M20.00 mi1.36 mi8227+2731264+801264+805458(Top 19%)602(Top 5%)602(Top 11%)
21M21.00 mi1.00 mi7974+2531188+761188+764282(Top 15%)444(Top 4%)444(Top 8%)
35K21.75 mi0.75 mi7830+1441148+401148+404744(Top 16%)519(Top 4%)519(Top 9%)
23M23.00 mi1.25 mi7516+3141050+981050+983919(Top 14%)391(Top 3%)391(Top 7%)
24M24.00 mi1.00 mi7310+206995+55995+553905(Top 13%)404(Top 3%)404(Top 7%)
40K24.85 mi0.85 mi7105+205959+36959+363349(Top 12%)332(Top 3%)332(Top 6%)
25.2M25.20 mi0.35 mi7003+102932+27932+272997(Top 10%)313(Top 2%)313(Top 5%)
FINISH26.22 mi1.02 mi6788+215876+56876+562777(Top 10%)273(Top 2%)273(Top 5%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21
+97ft-345ft

Overall

8682

Females

1362

F18-39

1362

5K→10K

3.1 - 6.2 mi

Top 31%
×5
+79ft-138ft

Overall

9083

Females

1499

F18-39

1499

10K→15K

6.2 - 9.3 mi

Top 30%
×3
+67ft-78ft

Overall

8682

Females

1362

F18-39

1362

15K→20K

9.3 - 12.4 mi

Top 29%
×5
+106ft-86ft

Overall

8540

Females

1356

F18-39

1356

20K→HALF

12.4 - 13.1 mi

Top 32%
×2
+19ft-37ft

Overall

9186

Females

1567

F18-39

1567

HALF→25K

13.1 - 15.5 mi

Top 27%
×4
+66ft-88ft

Overall

7977

Females

1212

F18-39

1212

25K→30K

15.5 - 18.6 mi

Top 24%
×9
+181ft-148ft

Overall

7099

Females

1023

F18-39

1023

30K→20M

18.6 - 20.0 mi

Top 19%
×5
+64ft-50ft

Overall

5458

Females

602

F18-39

602

20M→21M

20.0 - 21.0 mi

Top 15%
×8
+106ft-24ft

Overall

4282

Females

444

F18-39

444

21M→35K

21.0 - 21.8 mi

Top 16%
×7
+17ft-86ft

Overall

4744

Females

519

F18-39

519

35K→23M

21.8 - 23.0 mi

Top 14%
×5
+23ft-63ft

Overall

3919

Females

391

F18-39

391

23M→24M

23.0 - 24.0 mi

Top 13%
×6
+12ft-82ft

Overall

3905

Females

404

F18-39

404

24M→40K

24.0 - 24.9 mi

Top 12%
×1
+6ft-20ft

Overall

3349

Females

332

F18-39

332

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1
+13ft-16ft

Overall

2997

Females

313

F18-39

313

25.2M→FINISH

25.2 - 26.2 mi

Top 10%
×2
+22ft-21ft

Overall

2777

Females

273

F18-39

273

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
4085*
Passed By
151
Net Change
+3934
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10722
5K → 10K899*23+876#10722#9846
10K → 15K50127+474#9846#9372
15K → 20K26735+232#9372#9140
20K → HALF26260#9140#9140
HALF → 25K23313+220#9140#8920
25K → 30K43515+420#8920#8500
30K → 20M2730+273#8500#8227
20M → 21M2541+253#8227#7974
21M → 35K1473+144#7974#7830
35K → 23M3162+314#7830#7516
23M → 24M2082+206#7516#7310
24M → 40K2061+205#7310#7105
40K → 25.2M1031+102#7105#7003
25.2M → FINISH2172+215#7003#6788
TOTALS4085*151+3934

* 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