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BOSTON MARATHON 2026

Colleen Stone

Bib: 18277•F

MI

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 39%
Masters (Masters Women)
#0 / 6862
Top 24%
Age Group (F45-49)
#0 / 1786
Top 27%
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
24:05
3.11 mi
Rank: #15029
Start → 5K
24:05 | 7:46/mi
10K
47:55
6.21 mi
Rank: #14730 (+299)
5K → 10K
23:50 | 7:41/mi
15K
1:11:46
9.32 mi
Rank: #14557 (+173)
10K → 15K
23:51 | 7:41/mi
20K
1:35:38
12.43 mi
Rank: #14278 (+279)
15K → 20K
23:52 | 7:41/mi
HALF
1:40:51
13.11 mi
Rank: #14276 (+2)
20K → HALF
5:13 | 7:40/mi
25K
2:00:49
15.53 mi
Rank: #14746 (-470)
HALF → 25K
19:58 | 8:14/mi
30K
2:26:28
18.64 mi
Rank: #14829 (-83)
25K → 30K
25:39 | 8:16/mi
20M
2:38:06
20.00 mi
Rank: #14982 (-153)
30K → 20M
11:38 | 8:34/mi
21M
2:46:58
21.00 mi
Rank: #14954 (+28)
20M → 21M
8:52 | 8:52/mi
35K
2:53:08
21.75 mi
Rank: #14994 (-40)
21M → 35K
6:10 | 8:15/mi
23M
3:03:38
23.00 mi
Rank: #14992 (+2)
35K → 23M
10:30 | 8:24/mi
24M
3:11:52
24.00 mi
Rank: #14996 (-4)
23M → 24M
8:14 | 8:14/mi
40K
3:18:49
24.85 mi
Rank: #14925 (+71)
24M → 40K
6:57 | 8:08/mi
25.2M
3:21:56
25.20 mi
Rank: #14921 (+4)
40K → 25.2M
3:07 | 9:03/mi
FINISH
3:29:57
26.22 mi
Rank: #14919 (+2)
25.2M → FINISH
8:01 | 7:53/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:40:51
Pace7:42 /mi
2nd Half
Distance13.11 mi
Time1:49:06
Pace8:20 /mi
📊Positive Split: 8.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:06:0424:057:4624:05
7:46
-
10K
6.21 mi11:29:5447:557:4323:50
7:41
-0:05
15K
9.32 mi11:53:451:11:467:4223:51
7:41
0:00
20K
12.43 mi12:17:371:35:387:4223:52
7:41
0:00
HALF
13.11 mi12:22:501:40:517:425:13
7:40
-0:01
25K
15.53 mi12:42:482:00:497:4719:58
8:14
+0:34
30K
18.64 mi13:08:272:26:287:5225:39
8:16
+0:02
20M
20.00 mi13:20:052:38:067:5511:38
8:34
+0:18
21M
21.00 mi13:28:572:46:587:588:52
8:52
+0:18
35K
21.75 mi13:35:072:53:087:586:10
8:15
-0:37
23M
23.00 mi13:45:373:03:388:0010:30
8:24
+0:09
24M
24.00 mi13:53:513:11:528:008:14
8:14
-0:10
40K
24.85 mi14:00:483:18:498:006:57
8:08
-0:06
25.2M
25.20 mi14:03:553:21:568:013:07
9:03
+0:55
FINISH
26.22 mi14:11:563:29:578:018:01
7:53
-1:10

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

7:40 /mi

Average Pace

8:01 /mi

Slowest Pace

9:03 /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

3:06:20

89% of race

Time at Steady Pace

20:30

10% of race

Time at Slower Pace

3:07

1% of race

Average Pace: 8:00 /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 mi11:06:0424:057:4624:05
7:46
#15029
10K
6.21 mi11:29:5447:557:4323:50
7:41
#14730
15K
9.32 mi11:53:451:11:467:4223:51
7:41
#14557
20K
12.43 mi12:17:371:35:387:4223:52
7:41
#14278
HALF
13.11 mi12:22:501:40:517:425:13
7:40
#14276
25K
15.53 mi12:42:482:00:497:4719:58
8:14
#14746
30K
18.64 mi13:08:272:26:287:5225:39
8:16
#14829
20M
20.00 mi13:20:052:38:067:5511:38
8:34
#14982
21M
21.00 mi13:28:572:46:587:588:52
8:52
#14954
35K
21.75 mi13:35:072:53:087:586:10
8:15
#14994
23M
23.00 mi13:45:373:03:388:0010:30
8:24
#14992
24M
24.00 mi13:53:513:11:528:008:14
8:14
#14996
40K
24.85 mi14:00:483:18:498:006:57
8:08
#14925
25.2M
25.20 mi14:03:553:21:568:013:07
9:03
#14921
FINISH
26.22 mi14:11:563:29:578:018:01
7:53
#14919
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 mi150294706470614348(Top 49%)4349(Top 35%)4349(Top 244%)
10K6.21 mi3.10 mi14730+2994535+1714535+17114515(Top 50%)4414(Top 35%)4414(Top 247%)
15K9.32 mi3.11 mi14557+1734458+774458+7714348(Top 49%)4349(Top 35%)4349(Top 244%)
20K12.43 mi3.11 mi14278+2794300+1584300+15813580(Top 47%)3983(Top 32%)3983(Top 223%)
HALF13.11 mi0.68 mi14276+24299+14299+114414(Top 50%)4407(Top 35%)4407(Top 247%)
25K15.53 mi2.42 mi14746-4704605-3064605-30617011(Top 59%)5984(Top 48%)5984(Top 335%)
30K18.64 mi3.11 mi14829-834689-844689-8415314(Top 53%)5147(Top 41%)5147(Top 288%)
20M20.00 mi1.36 mi14982-1534817-1284817-12816573(Top 57%)5951(Top 47%)5951(Top 333%)
21M21.00 mi1.00 mi14954+284833-164833-1615388(Top 53%)5347(Top 43%)5347(Top 299%)
35K21.75 mi0.75 mi14994-404869-364869-3616107(Top 56%)5806(Top 46%)5806(Top 325%)
23M23.00 mi1.25 mi14992+24897-284897-2815036(Top 52%)5286(Top 42%)5286(Top 296%)
24M24.00 mi1.00 mi14996-44917-204917-2015301(Top 53%)5499(Top 44%)5499(Top 308%)
40K24.85 mi0.85 mi14925+714892+254892+2513371(Top 46%)4543(Top 36%)4543(Top 254%)
25.2M25.20 mi0.35 mi14921+44896-44896-414988(Top 52%)5438(Top 43%)5438(Top 304%)
FINISH26.22 mi1.02 mi14919+24912-164912-1614293(Top 49%)5068(Top 40%)5068(Top 284%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21
+97ft-345ft

Overall

14348

Females

4349

F45-49

4349

5K→10K

3.1 - 6.2 mi

Top 50%
×5
+79ft-138ft

Overall

14515

Females

4414

F45-49

4414

10K→15K

6.2 - 9.3 mi

Top 49%
×3
+67ft-78ft

Overall

14348

Females

4349

F45-49

4349

15K→20K

9.3 - 12.4 mi

Top 47%
×5
+106ft-86ft

Overall

13580

Females

3983

F45-49

3983

20K→HALF

12.4 - 13.1 mi

Top 50%
×2
+19ft-37ft

Overall

14414

Females

4407

F45-49

4407

HALF→25K

13.1 - 15.5 mi

Top 59%
×4
+66ft-88ft

Overall

17011

Females

5984

F45-49

5984

25K→30K

15.5 - 18.6 mi

Top 53%
×9
+181ft-148ft

Overall

15314

Females

5147

F45-49

5147

30K→20M

18.6 - 20.0 mi

Top 57%
×5
+64ft-50ft

Overall

16573

Females

5951

F45-49

5951

20M→21M

20.0 - 21.0 mi

Top 53%
×8
+106ft-24ft

Overall

15388

Females

5347

F45-49

5347

21M→35K

21.0 - 21.8 mi

Top 56%
×7
+17ft-86ft

Overall

16107

Females

5806

F45-49

5806

35K→23M

21.8 - 23.0 mi

Top 52%
×5
+23ft-63ft

Overall

15036

Females

5286

F45-49

5286

23M→24M

23.0 - 24.0 mi

Top 53%
×6
+12ft-82ft

Overall

15301

Females

5499

F45-49

5499

24M→40K

24.0 - 24.9 mi

Top 46%
×1
+6ft-20ft

Overall

13371

Females

4543

F45-49

4543

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1
+13ft-16ft

Overall

14988

Females

5438

F45-49

5438

25.2M→FINISH

25.2 - 26.2 mi

Top 49%
×2
+22ft-21ft

Overall

14293

Females

5068

F45-49

5068

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1930*
Passed By
1438
Net Change
+110
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15029
5K → 10K481*182+299#15029#14730
10K → 15K298*125+173#14730#14557
15K → 20K324*45+279#14557#14278
20K → HALF3230+2#14278#14276
HALF → 25K52200-470#14276#14746
25K → 30K164200-83#14746#14829
30K → 20M60200-153#14829#14982
20M → 21M11587+28#14982#14954
21M → 35K3676-40#14954#14994
35K → 23M10098+2#14994#14992
23M → 24M7781-4#14992#14996
24M → 40K10231+71#14996#14925
40K → 25.2M3228+4#14925#14921
25.2M → FINISH5755+2#14921#14919
TOTALS1930*1438+110

* 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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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing