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BOSTON MARATHON 2026

Brenna Ritchie

Bib: 13681•F

IL

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0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 46%
Age Group (F18-39)
#0 / 5716
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
25:17
3.11 mi
Rank: #17842
Start → 5K
25:17 | 8:09/mi
10K
50:52
6.21 mi
Rank: #18326 (-484)
5K → 10K
25:35 | 8:15/mi
15K
1:18:13
9.32 mi
Rank: #19550 (-1224)
10K → 15K
27:21 | 8:49/mi
20K
1:43:48
12.43 mi
Rank: #19081 (+469)
15K → 20K
25:35 | 8:15/mi
HALF
1:49:17
13.11 mi
Rank: #19003 (+78)
20K → HALF
5:29 | 8:03/mi
25K
2:08:55
15.53 mi
Rank: #18526 (+477)
HALF → 25K
19:38 | 8:06/mi
30K
2:35:44
18.64 mi
Rank: #18352 (+174)
25K → 30K
26:49 | 8:38/mi
20M
2:46:31
20.00 mi
Rank: #17932 (+420)
30K → 20M
10:47 | 7:57/mi
21M
2:54:43
21.00 mi
Rank: #17588 (+344)
20M → 21M
8:12 | 8:12/mi
35K
3:00:37
21.75 mi
Rank: #17429 (+159)
21M → 35K
5:54 | 7:54/mi
23M
3:10:39
23.00 mi
Rank: #17127
35K → 23M
10:02 | 8:02/mi
24M
3:18:25
24.00 mi
Rank: #16899
23M → 24M
7:46 | 7:46/mi
40K
3:25:08
24.85 mi
Rank: #16701
24M → 40K
6:43 | 7:52/mi
25.2M
3:28:00
25.20 mi
Rank: #16610
40K → 25.2M
2:52 | 8:19/mi
FINISH
3:35:22
26.22 mi
Rank: #16321
25.2M → FINISH
7:22 | 7:14/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:49:17
Pace8:21 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:46:05
Pace8:06 /mi
📊Negative Split: 2.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:3225:178:0925:17
8:09
-
10K
6.21 mi11:20:0750:528:1225:35
8:15
+0:06
15K
9.32 mi11:47:281:18:138:2427:21
8:49
+0:34
20K
12.43 mi12:13:031:43:488:2225:35
8:15
-0:34
HALF
13.11 mi12:18:321:49:178:215:29
8:03
-0:12
25K
15.53 mi12:38:102:08:558:1819:38
8:06
+0:03
30K
18.64 mi13:04:592:35:448:2226:49
8:38
+0:32
20M
20.00 mi13:15:462:46:318:2010:47
7:57
-0:41
21M
21.00 mi13:23:582:54:438:208:12
8:12
+0:15
35K
21.75 mi13:29:523:00:378:195:54
7:54
-0:18
23M
23.00 mi13:39:543:10:398:1810:02
8:02
+0:08
24M
24.00 mi13:47:403:18:258:177:46
7:46
-0:16
40K
24.85 mi13:54:233:25:088:166:43
7:52
+0:06
25.2M
25.20 mi13:57:153:28:008:162:52
8:19
+0:27
FINISH
26.22 mi14:04:373:35:228:147:22
7:14
-1:05

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

7:14 /mi

Average Pace

8:13 /mi

Slowest Pace

8:49 /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

27:45

13% of race

Time at Steady Pace

2:10:35

61% of race

Time at Slower Pace

57:02

26% of race

Average Pace: 8:13 /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 mi10:54:3225:178:0925:17
8:09
#17842
10K
6.21 mi11:20:0750:528:1225:35
8:15
#18326
15K
9.32 mi11:47:281:18:138:2427:21
8:49
#19550
20K
12.43 mi12:13:031:43:488:2225:35
8:15
#19081
HALF
13.11 mi12:18:321:49:178:215:29
8:03
#19003
25K
15.53 mi12:38:102:08:558:1819:38
8:06
#18526
30K
18.64 mi13:04:592:35:448:2226:49
8:38
#18352
20M
20.00 mi13:15:462:46:318:2010:47
7:57
#17932
21M
21.00 mi13:23:582:54:438:208:12
8:12
#17588
35K
21.75 mi13:29:523:00:378:195:54
7:54
#17429
23M
23.00 mi13:39:543:10:398:1810:02
8:02
#17127
24M
24.00 mi13:47:403:18:258:177:46
7:46
#16899
40K
24.85 mi13:54:233:25:088:166:43
7:52
#16701
25.2M
25.20 mi13:57:153:28:008:162:52
8:19
#16610
FINISH
26.22 mi14:04:373:35:228:147:22
7:14
#16321
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 mi178426409640921754(Top 75%)8509(Top 68%)8509(Top 149%)
10K6.21 mi3.10 mi18326-4846678-2696678-26918769(Top 65%)6890(Top 55%)6890(Top 121%)
15K9.32 mi3.11 mi19550-12247361-6837361-68321754(Top 75%)8509(Top 68%)8509(Top 149%)
20K12.43 mi3.11 mi19081+4697103+2587103+25817704(Top 61%)6336(Top 50%)6336(Top 111%)
HALF13.11 mi0.68 mi19003+787061+427061+4217440(Top 60%)6161(Top 49%)6161(Top 108%)
25K15.53 mi2.42 mi18526+4776800+2616800+26116107(Top 56%)5492(Top 44%)5492(Top 96%)
30K18.64 mi3.11 mi18352+1746736+646736+6417641(Top 61%)6477(Top 51%)6477(Top 113%)
20M20.00 mi1.36 mi17932+4206519+2176519+21712426(Top 43%)3640(Top 29%)3640(Top 64%)
21M21.00 mi1.00 mi17588+3446333+1866333+18611252(Top 39%)3128(Top 25%)3128(Top 55%)
35K21.75 mi0.75 mi17429+1596254+796254+7913773(Top 47%)4525(Top 36%)4525(Top 79%)
23M23.00 mi1.25 mi17127+3026113+1416113+14112619(Top 43%)3939(Top 31%)3939(Top 69%)
24M24.00 mi1.00 mi16899+2286007+1066007+10612104(Top 42%)3778(Top 30%)3778(Top 66%)
40K24.85 mi0.85 mi16701+1985906+1015906+10111527(Top 40%)3550(Top 28%)3550(Top 62%)
25.2M25.20 mi0.35 mi16610+915870+365870+3610567(Top 36%)3147(Top 25%)3147(Top 55%)
FINISH26.22 mi1.02 mi16321+2895733+1375733+1379408(Top 32%)2578(Top 20%)2578(Top 45%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21
+97ft-345ft

Overall

21754

Females

8509

F18-39

8509

5K→10K

3.1 - 6.2 mi

Top 65%
×5
+79ft-138ft

Overall

18769

Females

6890

F18-39

6890

10K→15K

6.2 - 9.3 mi

Top 75%
×3
+67ft-78ft

Overall

21754

Females

8509

F18-39

8509

15K→20K

9.3 - 12.4 mi

Top 61%
×5
+106ft-86ft

Overall

17704

Females

6336

F18-39

6336

20K→HALF

12.4 - 13.1 mi

Top 60%
×2
+19ft-37ft

Overall

17440

Females

6161

F18-39

6161

HALF→25K

13.1 - 15.5 mi

Top 56%
×4
+66ft-88ft

Overall

16107

Females

5492

F18-39

5492

25K→30K

15.5 - 18.6 mi

Top 61%
×9
+181ft-148ft

Overall

17641

Females

6477

F18-39

6477

30K→20M

18.6 - 20.0 mi

Top 43%
×5
+64ft-50ft

Overall

12426

Females

3640

F18-39

3640

20M→21M

20.0 - 21.0 mi

Top 39%
×8
+106ft-24ft

Overall

11252

Females

3128

F18-39

3128

21M→35K

21.0 - 21.8 mi

Top 47%
×7
+17ft-86ft

Overall

13773

Females

4525

F18-39

4525

35K→23M

21.8 - 23.0 mi

Top 43%
×5
+23ft-63ft

Overall

12619

Females

3939

F18-39

3939

23M→24M

23.0 - 24.0 mi

Top 42%
×6
+12ft-82ft

Overall

12104

Females

3778

F18-39

3778

24M→40K

24.0 - 24.9 mi

Top 40%
×1
+6ft-20ft

Overall

11527

Females

3550

F18-39

3550

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1
+13ft-16ft

Overall

10567

Females

3147

F18-39

3147

25.2M→FINISH

25.2 - 26.2 mi

Top 32%
×2
+22ft-21ft

Overall

9408

Females

2578

F18-39

2578

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Position interactions are being recalculated

Started about 5 hours ago. This usually takes 10-20 minutes. Please check back shortly.

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