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BOSTON MARATHON 2026

Stephanie Roberts-Bibby

Bib: 32213•F

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F50-54)
#0 / 1233
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
36:07
3.11 mi
Rank: #28608
Start → 5K
36:07 | 11:38/mi
10K
1:12:20
6.21 mi
Rank: #28503 (+105)
5K → 10K
36:13 | 11:40/mi
15K
1:51:41
9.32 mi
Rank: #28610 (-107)
10K → 15K
39:21 | 12:40/mi
20K
2:28:53
12.43 mi
Rank: #28467 (+143)
15K → 20K
37:12 | 11:59/mi
HALF
2:37:15
13.11 mi
Rank: #28474 (-7)
20K → HALF
8:22 | 12:17/mi
25K
3:06:08
15.53 mi
Rank: #28319 (+155)
HALF → 25K
28:53 | 11:55/mi
30K
3:43:25
18.64 mi
Rank: #28094 (+225)
25K → 30K
37:17 | 12:01/mi
20M
3:59:49
20.00 mi
Rank: #27991 (+103)
30K → 20M
16:24 | 12:05/mi
21M
4:12:03
21.00 mi
Rank: #27911 (+80)
20M → 21M
12:14 | 12:14/mi
35K
4:20:39
21.75 mi
Rank: #27863 (+48)
21M → 35K
8:36 | 11:30/mi
23M
4:35:54
23.00 mi
Rank: #27824 (+39)
35K → 23M
15:15 | 12:12/mi
24M
4:47:01
24.00 mi
Rank: #27758 (+66)
23M → 24M
11:07 | 11:07/mi
40K
4:57:24
24.85 mi
Rank: #27716 (+42)
24M → 40K
10:23 | 12:09/mi
25.2M
5:02:05
25.20 mi
Rank: #27701 (+15)
40K → 25.2M
4:41 | 13:35/mi
FINISH
5:14:31
26.22 mi
Rank: #27703 (-2)
25.2M → FINISH
12:26 | 12:13/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time2:37:15
Pace12:00 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:37:16
Pace12:00 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:07:0436:0711:3836:07
11:38
-
10K
6.21 mi12:43:171:12:2011:3936:13
11:40
+0:02
15K
9.32 mi13:22:381:51:4111:5939:21
12:40
+1:00
20K
12.43 mi13:59:502:28:5311:5937:12
11:59
-0:41
HALF
13.11 mi14:08:122:37:1512:008:22
12:17
+0:18
25K
15.53 mi14:37:053:06:0811:5928:53
11:55
-0:22
30K
18.64 mi15:14:223:43:2512:0037:17
12:01
+0:06
20M
20.00 mi15:30:463:59:4912:0016:24
12:05
+0:04
21M
21.00 mi15:43:004:12:0312:0112:14
12:14
+0:09
35K
21.75 mi15:51:364:20:3912:008:36
11:30
-0:44
23M
23.00 mi16:06:514:35:5412:0015:15
12:12
+0:42
24M
24.00 mi16:17:584:47:0111:5811:07
11:07
-1:05
40K
24.85 mi16:28:214:57:2411:5810:23
12:09
+1:02
25.2M
25.20 mi16:33:025:02:0512:004:41
13:35
+1:26
FINISH
26.22 mi16:45:285:14:3112:0112:26
12:13
-1:22

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

11:07 /mi

Average Pace

12:00 /mi

Slowest Pace

13:35 /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

1:32:03

29% of race

Time at Steady Pace

2:58:26

57% of race

Time at Slower Pace

44:02

14% of race

Average Pace: 12:00 /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 mi12:07:0436:0711:3836:07
11:38
#28608
10K
6.21 mi12:43:171:12:2011:3936:13
11:40
#28503
15K
9.32 mi13:22:381:51:4111:5939:21
12:40
#28610
20K
12.43 mi13:59:502:28:5311:5937:12
11:59
#28467
HALF
13.11 mi14:08:122:37:1512:008:22
12:17
#28474
25K
15.53 mi14:37:053:06:0811:5928:53
11:55
#28319
30K
18.64 mi15:14:223:43:2512:0037:17
12:01
#28094
20M
20.00 mi15:30:463:59:4912:0016:24
12:05
#27991
21M
21.00 mi15:43:004:12:0312:0112:14
12:14
#27911
35K
21.75 mi15:51:364:20:3912:008:36
11:30
#27863
23M
23.00 mi16:06:514:35:5412:0015:15
12:12
#27824
24M
24.00 mi16:17:584:47:0111:5811:07
11:07
#27758
40K
24.85 mi16:28:214:57:2411:5810:23
12:09
#27716
25.2M
25.20 mi16:33:025:02:0512:004:41
13:35
#27701
FINISH
26.22 mi16:45:285:14:3112:0112:26
12:13
#27703
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi28608122971229728718(Top 99%)12375(Top 98%)12375(Top 1004%)
10K6.21 mi3.10 mi28503+10512219+7812219+7828351(Top 98%)12128(Top 96%)12128(Top 984%)
15K9.32 mi3.11 mi28610-10712292-7312292-7328718(Top 99%)12375(Top 98%)12375(Top 1004%)
20K12.43 mi3.11 mi28467+14312201+9112201+9128000(Top 96%)11916(Top 95%)11916(Top 966%)
HALF13.11 mi0.68 mi28474-712205-412205-428408(Top 98%)12209(Top 97%)12209(Top 990%)
25K15.53 mi2.42 mi28319+15512109+9612109+9627434(Top 95%)11621(Top 92%)11621(Top 942%)
30K18.64 mi3.11 mi28094+22511977+13211977+13226776(Top 92%)11335(Top 90%)11335(Top 919%)
20M20.00 mi1.36 mi27991+10311923+5411923+5426499(Top 91%)11250(Top 89%)11250(Top 912%)
21M21.00 mi1.00 mi27911+8011876+4711876+4725417(Top 88%)10723(Top 85%)10723(Top 870%)
35K21.75 mi0.75 mi27863+4811853+2311853+2326078(Top 90%)11082(Top 88%)11082(Top 899%)
23M23.00 mi1.25 mi27824+3911841+1211841+1226393(Top 91%)11273(Top 90%)11273(Top 914%)
24M24.00 mi1.00 mi27758+6611811+3011811+3025352(Top 87%)10783(Top 86%)10783(Top 875%)
40K24.85 mi0.85 mi27716+4211798+1311798+1326112(Top 90%)11207(Top 89%)11207(Top 909%)
25.2M25.20 mi0.35 mi27701+1511791+711791+726808(Top 92%)11534(Top 92%)11534(Top 935%)
FINISH26.22 mi1.02 mi27703-211801-1011801-1027653(Top 95%)11941(Top 95%)11941(Top 968%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21
+97ft-345ft

Overall

28718

Females

12375

F50-54

12375

5K→10K

3.1 - 6.2 mi

Top 98%
×5
+79ft-138ft

Overall

28351

Females

12128

F50-54

12128

10K→15K

6.2 - 9.3 mi

Top 99%
×3
+67ft-78ft

Overall

28718

Females

12375

F50-54

12375

15K→20K

9.3 - 12.4 mi

Top 96%
×5
+106ft-86ft

Overall

28000

Females

11916

F50-54

11916

20K→HALF

12.4 - 13.1 mi

Top 98%
×2
+19ft-37ft

Overall

28408

Females

12209

F50-54

12209

HALF→25K

13.1 - 15.5 mi

Top 95%
×4
+66ft-88ft

Overall

27434

Females

11621

F50-54

11621

25K→30K

15.5 - 18.6 mi

Top 92%
×9
+181ft-148ft

Overall

26776

Females

11335

F50-54

11335

30K→20M

18.6 - 20.0 mi

Top 91%
×5
+64ft-50ft

Overall

26499

Females

11250

F50-54

11250

20M→21M

20.0 - 21.0 mi

Top 88%
×8
+106ft-24ft

Overall

25417

Females

10723

F50-54

10723

21M→35K

21.0 - 21.8 mi

Top 90%
×7
+17ft-86ft

Overall

26078

Females

11082

F50-54

11082

35K→23M

21.8 - 23.0 mi

Top 91%
×5
+23ft-63ft

Overall

26393

Females

11273

F50-54

11273

23M→24M

23.0 - 24.0 mi

Top 87%
×6
+12ft-82ft

Overall

25352

Females

10783

F50-54

10783

24M→40K

24.0 - 24.9 mi

Top 90%
×1
+6ft-20ft

Overall

26112

Females

11207

F50-54

11207

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1
+13ft-16ft

Overall

26808

Females

11534

F50-54

11534

25.2M→FINISH

25.2 - 26.2 mi

Top 95%
×2
+22ft-21ft

Overall

27653

Females

11941

F50-54

11941

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1117
Passed By
212
Net Change
+905
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28608
5K → 10K13328+105#28608#28503
10K → 15K27134-107#28503#28610
15K → 20K1474+143#28610#28467
20K → HALF512-7#28467#28474
HALF → 25K1572+155#28474#28319
25K → 30K2272+225#28319#28094
30K → 20M1052+103#28094#27991
20M → 21M800+80#27991#27911
21M → 35K502+48#27911#27863
35K → 23M423+39#27863#27824
23M → 24M671+66#27824#27758
24M → 40K442+42#27758#27716
40K → 25.2M183+15#27716#27701
25.2M → FINISH1517-2#27701#27703
TOTALS1117212+905
📊

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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing