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BOSTON MARATHON 2026

Alyssa Grzybinski

Bib: 15502•F

MA

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0:00
/ mi
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Overall
#0 / 29021
Top 31%
Gender (Female)
#0 / 12578
Top 14%
Age Group (F18-39)
#0 / 5716
Top 26%
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
22:53
3.11 mi
Rank: #11631
Start → 5K
22:53 | 7:22/mi
10K
45:50
6.21 mi
Rank: #11771 (-140)
5K → 10K
22:57 | 7:24/mi
15K
1:08:34
9.32 mi
Rank: #11562 (+209)
10K → 15K
22:44 | 7:20/mi
20K
1:31:12
12.43 mi
Rank: #11185 (+377)
15K → 20K
22:38 | 7:18/mi
HALF
1:36:07
13.11 mi
Rank: #11141 (+44)
20K → HALF
4:55 | 7:13/mi
25K
1:53:46
15.53 mi
Rank: #10810 (+331)
HALF → 25K
17:39 | 7:17/mi
30K
2:16:34
18.64 mi
Rank: #10293 (+517)
25K → 30K
22:48 | 7:21/mi
20M
2:26:29
20.00 mi
Rank: #10053 (+240)
30K → 20M
9:55 | 7:19/mi
21M
2:34:07
21.00 mi
Rank: #9859 (+194)
20M → 21M
7:38 | 7:38/mi
35K
2:39:21
21.75 mi
Rank: #9711 (+148)
21M → 35K
5:14 | 7:00/mi
23M
2:48:19
23.00 mi
Rank: #9430 (+281)
35K → 23M
8:58 | 7:10/mi
24M
2:55:27
24.00 mi
Rank: #9318 (+112)
23M → 24M
7:08 | 7:08/mi
40K
3:01:34
24.85 mi
Rank: #9176 (+142)
24M → 40K
6:07 | 7:10/mi
25.2M
3:04:15
25.20 mi
Rank: #9107 (+69)
40K → 25.2M
2:41 | 7:47/mi
FINISH
3:11:20
26.22 mi
Rank: #8988 (+119)
25.2M → FINISH
7:05 | 6:58/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:36:07
Pace7:20 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:35:13
Pace7:16 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:1922:537:2222:53
7:22
-
10K
6.21 mi11:18:1645:507:2322:57
7:24
+0:02
15K
9.32 mi11:41:001:08:347:2222:44
7:20
-0:04
20K
12.43 mi12:03:381:31:127:2122:38
7:18
-0:02
HALF
13.11 mi12:08:331:36:077:204:55
7:13
-0:05
25K
15.53 mi12:26:121:53:467:2017:39
7:17
+0:04
30K
18.64 mi12:49:002:16:347:2022:48
7:21
+0:04
20M
20.00 mi12:58:552:26:297:209:55
7:19
-0:02
21M
21.00 mi13:06:332:34:077:217:38
7:38
+0:19
35K
21.75 mi13:11:472:39:217:205:14
7:00
-0:38
23M
23.00 mi13:20:452:48:197:208:58
7:10
+0:10
24M
24.00 mi13:27:532:55:277:197:08
7:08
-0:02
40K
24.85 mi13:34:003:01:347:196:07
7:10
+0:02
25.2M
25.20 mi13:36:413:04:157:192:41
7:47
+0:37
FINISH
26.22 mi13:43:463:11:207:197:05
6:58
-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

6:58 /mi

Average Pace

7:18 /mi

Slowest Pace

7:47 /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

3:08:39

99% of race

Time at Steady Pace

2:41

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:18 /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 mi10:55:1922:537:2222:53
7:22
#11631
10K
6.21 mi11:18:1645:507:2322:57
7:24
#11771
15K
9.32 mi11:41:001:08:347:2222:44
7:20
#11562
20K
12.43 mi12:03:381:31:127:2122:38
7:18
#11185
HALF
13.11 mi12:08:331:36:077:204:55
7:13
#11141
25K
15.53 mi12:26:121:53:467:2017:39
7:17
#10810
30K
18.64 mi12:49:002:16:347:2022:48
7:21
#10293
20M
20.00 mi12:58:552:26:297:209:55
7:19
#10053
21M
21.00 mi13:06:332:34:077:217:38
7:38
#9859
35K
21.75 mi13:11:472:39:217:205:14
7:00
#9711
23M
23.00 mi13:20:452:48:197:208:58
7:10
#9430
24M
24.00 mi13:27:532:55:277:197:08
7:08
#9318
40K
24.85 mi13:34:003:01:347:196:07
7:10
#9176
25.2M
25.20 mi13:36:413:04:157:192:41
7:47
#9107
FINISH
26.22 mi13:43:463:11:207:197:05
6:58
#8988
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 mi116312705270511219(Top 39%)2590(Top 21%)2590(Top 45%)
10K6.21 mi3.10 mi11771-1402800-952800-9511961(Top 41%)2936(Top 23%)2936(Top 51%)
15K9.32 mi3.11 mi11562+2092728+722728+7211219(Top 39%)2590(Top 21%)2590(Top 45%)
20K12.43 mi3.11 mi11185+3772560+1682560+16810042(Top 35%)2067(Top 16%)2067(Top 36%)
HALF13.11 mi0.68 mi11141+442542+182542+1810430(Top 36%)2186(Top 17%)2186(Top 38%)
25K15.53 mi2.42 mi10810+3312404+1382404+1389534(Top 33%)1899(Top 15%)1899(Top 33%)
30K18.64 mi3.11 mi10293+5172183+2212183+2218418(Top 29%)1561(Top 12%)1561(Top 27%)
20M20.00 mi1.36 mi10053+2402086+972086+977698(Top 27%)1363(Top 11%)1363(Top 24%)
21M21.00 mi1.00 mi9859+1942009+772009+777433(Top 26%)1383(Top 11%)1383(Top 24%)
35K21.75 mi0.75 mi9711+1481956+531956+537152(Top 25%)1236(Top 10%)1236(Top 22%)
23M23.00 mi1.25 mi9430+2811856+1001856+1006579(Top 23%)1089(Top 9%)1089(Top 19%)
24M24.00 mi1.00 mi9318+1121830+261830+267423(Top 26%)1475(Top 12%)1475(Top 26%)
40K24.85 mi0.85 mi9176+1421796+341796+346502(Top 22%)1177(Top 9%)1177(Top 21%)
25.2M25.20 mi0.35 mi9107+691774+221774+227069(Top 24%)1468(Top 12%)1468(Top 26%)
FINISH26.22 mi1.02 mi8988+1191759+151759+157199(Top 25%)1555(Top 12%)1555(Top 27%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21
+97ft-345ft

Overall

11219

Females

2590

F18-39

2590

5K→10K

3.1 - 6.2 mi

Top 41%
×5
+79ft-138ft

Overall

11961

Females

2936

F18-39

2936

10K→15K

6.2 - 9.3 mi

Top 39%
×3
+67ft-78ft

Overall

11219

Females

2590

F18-39

2590

15K→20K

9.3 - 12.4 mi

Top 35%
×5
+106ft-86ft

Overall

10042

Females

2067

F18-39

2067

20K→HALF

12.4 - 13.1 mi

Top 36%
×2
+19ft-37ft

Overall

10430

Females

2186

F18-39

2186

HALF→25K

13.1 - 15.5 mi

Top 33%
×4
+66ft-88ft

Overall

9534

Females

1899

F18-39

1899

25K→30K

15.5 - 18.6 mi

Top 29%
×9
+181ft-148ft

Overall

8418

Females

1561

F18-39

1561

30K→20M

18.6 - 20.0 mi

Top 27%
×5
+64ft-50ft

Overall

7698

Females

1363

F18-39

1363

20M→21M

20.0 - 21.0 mi

Top 26%
×8
+106ft-24ft

Overall

7433

Females

1383

F18-39

1383

21M→35K

21.0 - 21.8 mi

Top 25%
×7
+17ft-86ft

Overall

7152

Females

1236

F18-39

1236

35K→23M

21.8 - 23.0 mi

Top 23%
×5
+23ft-63ft

Overall

6579

Females

1089

F18-39

1089

23M→24M

23.0 - 24.0 mi

Top 26%
×6
+12ft-82ft

Overall

7423

Females

1475

F18-39

1475

24M→40K

24.0 - 24.9 mi

Top 22%
×1
+6ft-20ft

Overall

6502

Females

1177

F18-39

1177

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1
+13ft-16ft

Overall

7069

Females

1468

F18-39

1468

25.2M→FINISH

25.2 - 26.2 mi

Top 25%
×2
+22ft-21ft

Overall

7199

Females

1555

F18-39

1555

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3206*
Passed By
562
Net Change
+2643
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11631
5K → 10K207346-140#11631#11771
10K → 15K30596+209#11771#11562
15K → 20K39316+377#11562#11185
20K → HALF528+44#11185#11141
HALF → 25K35019+331#11141#10810
25K → 30K52811+517#10810#10293
30K → 20M2444+240#10293#10053
20M → 21M200*6+194#10053#9859
21M → 35K1502+148#9859#9711
35K → 23M2865+281#9711#9430
23M → 24M12614+112#9430#9318
24M → 40K1486+142#9318#9176
40K → 25.2M712+69#9176#9107
25.2M → FINISH14627+119#9107#8988
TOTALS3206*562+2643

* 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