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BOSTON MARATHON 2026

Tiffany Rozek

Bib: 21500•F

NC

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 45%
Masters (Masters Women)
#0 / 6862
Top 31%
Age Group (F50-54)
#0 / 1233
Top 24%
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
24:32
3.11 mi
Rank: #16183
Start → 5K
24:32 | 7:54/mi
10K
49:12
6.21 mi
Rank: #16449 (-266)
5K → 10K
24:40 | 7:57/mi
15K
1:13:54
9.32 mi
Rank: #16527 (-78)
10K → 15K
24:42 | 7:58/mi
20K
1:38:45
12.43 mi
Rank: #16417 (+110)
15K → 20K
24:51 | 8:00/mi
HALF
1:44:05
13.11 mi
Rank: #16372 (+45)
20K → HALF
5:20 | 7:50/mi
25K
2:06:07
15.53 mi
Rank: #17407 (-1035)
HALF → 25K
22:02 | 9:06/mi
30K
2:32:08
18.64 mi
Rank: #17113 (+294)
25K → 30K
26:01 | 8:23/mi
20M
2:43:14
20.00 mi
Rank: #16892 (+221)
30K → 20M
11:06 | 8:11/mi
21M
2:52:00
21.00 mi
Rank: #16744 (+148)
20M → 21M
8:46 | 8:46/mi
35K
2:58:12
21.75 mi
Rank: #16703 (+41)
21M → 35K
6:12 | 8:18/mi
23M
3:08:23
23.00 mi
Rank: #16470 (+233)
35K → 23M
10:11 | 8:09/mi
24M
3:16:39
24.00 mi
Rank: #16422 (+48)
23M → 24M
8:16 | 8:16/mi
40K
3:23:37
24.85 mi
Rank: #16279 (+143)
24M → 40K
6:58 | 8:09/mi
25.2M
3:26:38
25.20 mi
Rank: #16222 (+57)
40K → 25.2M
3:01 | 8:45/mi
FINISH
3:34:32
26.22 mi
Rank: #16107 (+115)
25.2M → FINISH
7:54 | 7:46/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:44:05
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time1:50:27
Pace8:26 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:4124:327:5424:32
7:54
-
10K
6.21 mi11:50:2149:127:5624:40
7:57
+0:03
15K
9.32 mi12:15:031:13:547:5624:42
7:58
+0:01
20K
12.43 mi12:39:541:38:457:5724:51
8:00
+0:02
HALF
13.11 mi12:45:141:44:057:575:20
7:50
-0:10
25K
15.53 mi13:07:162:06:078:0822:02
9:06
+1:16
30K
18.64 mi13:33:172:32:088:1026:01
8:23
-0:43
20M
20.00 mi13:44:232:43:148:1011:06
8:11
-0:12
21M
21.00 mi13:53:092:52:008:128:46
8:46
+0:35
35K
21.75 mi13:59:212:58:128:126:12
8:18
-0:28
23M
23.00 mi14:09:323:08:238:1210:11
8:09
-0:09
24M
24.00 mi14:17:483:16:398:128:16
8:16
+0:07
40K
24.85 mi14:24:463:23:378:126:58
8:09
-0:07
25.2M
25.20 mi14:27:473:26:388:123:01
8:45
+0:36
FINISH
26.22 mi14:35:413:34:328:127:54
7:46
-0:59

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

7:46 /mi

Average Pace

8:11 /mi

Slowest Pace

9:06 /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

3:00:43

84% of race

Time at Steady Pace

33:49

16% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:11 /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 mi11:25:4124:327:5424:32
7:54
#16183
10K
6.21 mi11:50:2149:127:5624:40
7:57
#16449
15K
9.32 mi12:15:031:13:547:5624:42
7:58
#16527
20K
12.43 mi12:39:541:38:457:5724:51
8:00
#16417
HALF
13.11 mi12:45:141:44:057:575:20
7:50
#16372
25K
15.53 mi13:07:162:06:078:0822:02
9:06
#17407
30K
18.64 mi13:33:172:32:088:1026:01
8:23
#17113
20M
20.00 mi13:44:232:43:148:1011:06
8:11
#16892
21M
21.00 mi13:53:092:52:008:128:46
8:46
#16744
35K
21.75 mi13:59:212:58:128:126:12
8:18
#16703
23M
23.00 mi14:09:323:08:238:1210:11
8:09
#16470
24M
24.00 mi14:17:483:16:398:128:16
8:16
#16422
40K
24.85 mi14:24:463:23:378:126:58
8:09
#16279
25.2M
25.20 mi14:27:473:26:388:123:01
8:45
#16222
FINISH
26.22 mi14:35:413:34:328:127:54
7:46
#16107
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 mi161835433543316629(Top 57%)5691(Top 45%)5691(Top 462%)
10K6.21 mi3.10 mi16449-2665600-1675600-16716788(Top 58%)5791(Top 46%)5791(Top 470%)
15K9.32 mi3.11 mi16527-785648-485648-4816629(Top 57%)5691(Top 45%)5691(Top 462%)
20K12.43 mi3.11 mi16417+1105588+605588+6016123(Top 56%)5445(Top 43%)5445(Top 442%)
HALF13.11 mi0.68 mi16372+455571+175571+1715828(Top 55%)5245(Top 42%)5245(Top 425%)
25K15.53 mi2.42 mi17407-10356162-5916162-59121568(Top 74%)8456(Top 67%)8456(Top 686%)
30K18.64 mi3.11 mi17113+2946023+1396023+13916119(Top 56%)5586(Top 44%)5586(Top 453%)
20M20.00 mi1.36 mi16892+2215916+1075916+10714108(Top 49%)4560(Top 36%)4560(Top 370%)
21M21.00 mi1.00 mi16744+1485856+605856+6014812(Top 51%)5044(Top 40%)5044(Top 409%)
35K21.75 mi0.75 mi16703+415844+125844+1216376(Top 56%)5961(Top 47%)5961(Top 483%)
23M23.00 mi1.25 mi16470+2335743+1015743+10113422(Top 46%)4411(Top 35%)4411(Top 358%)
24M24.00 mi1.00 mi16422+485735+85735+815501(Top 53%)5609(Top 45%)5609(Top 455%)
40K24.85 mi0.85 mi16279+1435679+565679+5613498(Top 47%)4619(Top 37%)4619(Top 375%)
25.2M25.20 mi0.35 mi16222+575656+235656+2313331(Top 46%)4563(Top 36%)4563(Top 370%)
FINISH26.22 mi1.02 mi16107+1155616+405616+4013450(Top 46%)4644(Top 37%)4644(Top 377%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21
+97ft-345ft

Overall

16629

Females

5691

F50-54

5691

5K→10K

3.1 - 6.2 mi

Top 58%
×5
+79ft-138ft

Overall

16788

Females

5791

F50-54

5791

10K→15K

6.2 - 9.3 mi

Top 57%
×3
+67ft-78ft

Overall

16629

Females

5691

F50-54

5691

15K→20K

9.3 - 12.4 mi

Top 56%
×5
+106ft-86ft

Overall

16123

Females

5445

F50-54

5445

20K→HALF

12.4 - 13.1 mi

Top 55%
×2
+19ft-37ft

Overall

15828

Females

5245

F50-54

5245

HALF→25K

13.1 - 15.5 mi

Top 74%
×4
+66ft-88ft

Overall

21568

Females

8456

F50-54

8456

25K→30K

15.5 - 18.6 mi

Top 56%
×9
+181ft-148ft

Overall

16119

Females

5586

F50-54

5586

30K→20M

18.6 - 20.0 mi

Top 49%
×5
+64ft-50ft

Overall

14108

Females

4560

F50-54

4560

20M→21M

20.0 - 21.0 mi

Top 51%
×8
+106ft-24ft

Overall

14812

Females

5044

F50-54

5044

21M→35K

21.0 - 21.8 mi

Top 56%
×7
+17ft-86ft

Overall

16376

Females

5961

F50-54

5961

35K→23M

21.8 - 23.0 mi

Top 46%
×5
+23ft-63ft

Overall

13422

Females

4411

F50-54

4411

23M→24M

23.0 - 24.0 mi

Top 53%
×6
+12ft-82ft

Overall

15501

Females

5609

F50-54

5609

24M→40K

24.0 - 24.9 mi

Top 47%
×1
+6ft-20ft

Overall

13498

Females

4619

F50-54

4619

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1
+13ft-16ft

Overall

13331

Females

4563

F50-54

4563

25.2M→FINISH

25.2 - 26.2 mi

Top 46%
×2
+22ft-21ft

Overall

13450

Females

4644

F50-54

4644

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2168*
Passed By
956
Net Change
+76
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16183
5K → 10K166200-266#16183#16449
10K → 15K174200-78#16449#16527
15K → 20K239*129+110#16527#16417
20K → HALF6015+45#16417#16372
HALF → 25K17200-1035#16372#17407
25K → 30K360*66+294#17407#17113
30K → 20M223*2+221#17113#16892
20M → 21M17224+148#16892#16744
21M → 35K7635+41#16744#16703
35K → 23M245*12+233#16703#16470
23M → 24M9345+48#16470#16422
24M → 40K1518+143#16422#16279
40K → 25.2M625+57#16279#16222
25.2M → FINISH13015+115#16222#16107
TOTALS2168*956+76

* 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