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BOSTON MARATHON 2026

Rachel Irwin

Bib: 22195•F

GA

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0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Top 44%
Age Group (F45-49)
#0 / 1786
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
25:38
3.11 mi
Rank: #18562
Start → 5K
25:38 | 8:16/mi
10K
50:33
6.21 mi
Rank: #17993 (+569)
5K → 10K
24:55 | 8:02/mi
15K
1:16:25
9.32 mi
Rank: #18377 (-384)
10K → 15K
25:52 | 8:20/mi
20K
1:42:11
12.43 mi
Rank: #18300 (+77)
15K → 20K
25:46 | 8:18/mi
HALF
1:47:48
13.11 mi
Rank: #18309 (-9)
20K → HALF
5:37 | 8:15/mi
25K
2:08:27
15.53 mi
Rank: #18366 (-57)
HALF → 25K
20:39 | 8:31/mi
30K
2:35:59
18.64 mi
Rank: #18444 (-78)
25K → 30K
27:32 | 8:52/mi
20M
2:48:11
20.00 mi
Rank: #18443 (+1)
30K → 20M
12:12 | 8:59/mi
21M
2:57:32
21.00 mi
Rank: #18389 (+54)
20M → 21M
9:21 | 9:21/mi
35K
3:04:06
21.75 mi
Rank: #18416 (-27)
21M → 35K
6:34 | 8:47/mi
23M
3:15:16
23.00 mi
Rank: #18390 (+26)
35K → 23M
11:10 | 8:56/mi
24M
3:24:05
24.00 mi
Rank: #18396 (-6)
23M → 24M
8:49 | 8:49/mi
40K
3:31:48
24.85 mi
Rank: #18395 (+1)
24M → 40K
7:43 | 9:02/mi
25.2M
3:35:10
25.20 mi
Rank: #18384 (+11)
40K → 25.2M
3:22 | 9:46/mi
FINISH
3:43:28
26.22 mi
Rank: #18291 (+93)
25.2M → FINISH
8:18 | 8:09/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:47:48
Pace8:14 /mi
2nd Half
Distance13.11 mi
Time1:55:40
Pace8:50 /mi
📊Positive Split: 7.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:4025:388:1625:38
8:16
-
10K
6.21 mi11:52:3550:338:0924:55
8:02
-0:14
15K
9.32 mi12:18:271:16:258:1225:52
8:20
+0:18
20K
12.43 mi12:44:131:42:118:1425:46
8:18
-0:02
HALF
13.11 mi12:49:501:47:488:145:37
8:15
-0:03
25K
15.53 mi13:10:292:08:278:1720:39
8:31
+0:16
30K
18.64 mi13:38:012:35:598:2327:32
8:52
+0:21
20M
20.00 mi13:50:132:48:118:2512:12
8:59
+0:07
21M
21.00 mi13:59:342:57:328:289:21
9:21
+0:22
35K
21.75 mi14:06:083:04:068:286:34
8:47
-0:34
23M
23.00 mi14:17:183:15:168:3011:10
8:56
+0:09
24M
24.00 mi14:26:073:24:058:318:49
8:49
-0:07
40K
24.85 mi14:33:503:31:488:327:43
9:02
+0:13
25.2M
25.20 mi14:37:123:35:108:333:22
9:46
+0:44
FINISH
26.22 mi14:45:303:43:288:328:18
8:09
-1:37

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

8:02 /mi

Average Pace

8:32 /mi

Slowest Pace

9:46 /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

2:16:45

61% of race

Time at Steady Pace

1:06:17

30% of race

Time at Slower Pace

20:26

9% of race

Average Pace: 8:31 /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 mi11:27:4025:388:1625:38
8:16
#18562
10K
6.21 mi11:52:3550:338:0924:55
8:02
#17993
15K
9.32 mi12:18:271:16:258:1225:52
8:20
#18377
20K
12.43 mi12:44:131:42:118:1425:46
8:18
#18300
HALF
13.11 mi12:49:501:47:488:145:37
8:15
#18309
25K
15.53 mi13:10:292:08:278:1720:39
8:31
#18366
30K
18.64 mi13:38:012:35:598:2327:32
8:52
#18444
20M
20.00 mi13:50:132:48:118:2512:12
8:59
#18443
21M
21.00 mi13:59:342:57:328:289:21
9:21
#18389
35K
21.75 mi14:06:083:04:068:286:34
8:47
#18416
23M
23.00 mi14:17:183:15:168:3011:10
8:56
#18390
24M
24.00 mi14:26:073:24:058:318:49
8:49
#18396
40K
24.85 mi14:33:503:31:488:327:43
9:02
#18395
25.2M
25.20 mi14:37:123:35:108:333:22
9:46
#18384
FINISH
26.22 mi14:45:303:43:288:328:18
8:09
#18291
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 mi185626825682519141(Top 66%)7117(Top 57%)7117(Top 398%)
10K6.21 mi3.10 mi17993+5696496+3296496+32917406(Top 60%)6150(Top 49%)6150(Top 344%)
15K9.32 mi3.11 mi18377-3846698-2026698-20219141(Top 66%)7117(Top 57%)7117(Top 398%)
20K12.43 mi3.11 mi18300+776654+446654+4418072(Top 62%)6560(Top 52%)6560(Top 367%)
HALF13.11 mi0.68 mi18309-96666-126666-1218674(Top 64%)6864(Top 55%)6864(Top 384%)
25K15.53 mi2.42 mi18366-576706-406706-4018680(Top 64%)6947(Top 55%)6947(Top 389%)
30K18.64 mi3.11 mi18444-786792-866792-8618900(Top 65%)7156(Top 57%)7156(Top 401%)
20M20.00 mi1.36 mi18443+16809-176809-1718871(Top 65%)7220(Top 57%)7220(Top 404%)
21M21.00 mi1.00 mi18389+546794+156794+1517876(Top 62%)6726(Top 53%)6726(Top 377%)
35K21.75 mi0.75 mi18416-276823-296823-2919009(Top 66%)7432(Top 59%)7432(Top 416%)
23M23.00 mi1.25 mi18390+266825-26825-218132(Top 62%)7026(Top 56%)7026(Top 393%)
24M24.00 mi1.00 mi18396-66846-216846-2118624(Top 64%)7304(Top 58%)7304(Top 409%)
40K24.85 mi0.85 mi18395+16860-146860-1418536(Top 64%)7331(Top 58%)7331(Top 410%)
25.2M25.20 mi0.35 mi18384+116863-36863-318514(Top 64%)7311(Top 58%)7311(Top 409%)
FINISH26.22 mi1.02 mi18291+936828+356828+3516120(Top 56%)6019(Top 48%)6019(Top 337%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21
+97ft-345ft

Overall

19141

Females

7117

F45-49

7117

5K→10K

3.1 - 6.2 mi

Top 60%
×5
+79ft-138ft

Overall

17406

Females

6150

F45-49

6150

10K→15K

6.2 - 9.3 mi

Top 66%
×3
+67ft-78ft

Overall

19141

Females

7117

F45-49

7117

15K→20K

9.3 - 12.4 mi

Top 62%
×5
+106ft-86ft

Overall

18072

Females

6560

F45-49

6560

20K→HALF

12.4 - 13.1 mi

Top 64%
×2
+19ft-37ft

Overall

18674

Females

6864

F45-49

6864

HALF→25K

13.1 - 15.5 mi

Top 64%
×4
+66ft-88ft

Overall

18680

Females

6947

F45-49

6947

25K→30K

15.5 - 18.6 mi

Top 65%
×9
+181ft-148ft

Overall

18900

Females

7156

F45-49

7156

30K→20M

18.6 - 20.0 mi

Top 65%
×5
+64ft-50ft

Overall

18871

Females

7220

F45-49

7220

20M→21M

20.0 - 21.0 mi

Top 62%
×8
+106ft-24ft

Overall

17876

Females

6726

F45-49

6726

21M→35K

21.0 - 21.8 mi

Top 66%
×7
+17ft-86ft

Overall

19009

Females

7432

F45-49

7432

35K→23M

21.8 - 23.0 mi

Top 62%
×5
+23ft-63ft

Overall

18132

Females

7026

F45-49

7026

23M→24M

23.0 - 24.0 mi

Top 64%
×6
+12ft-82ft

Overall

18624

Females

7304

F45-49

7304

24M→40K

24.0 - 24.9 mi

Top 64%
×1
+6ft-20ft

Overall

18536

Females

7331

F45-49

7331

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1
+13ft-16ft

Overall

18514

Females

7311

F45-49

7311

25.2M→FINISH

25.2 - 26.2 mi

Top 56%
×2
+22ft-21ft

Overall

16120

Females

6019

F45-49

6019

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Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1861
Passed By
1590
Net Change
+271
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18562
5K → 10K66798+569#18562#17993
10K → 15K74458-384#17993#18377
15K → 20K198121+77#18377#18300
20K → HALF2736-9#18300#18309
HALF → 25K109166-57#18309#18366
25K → 30K166244-78#18366#18444
30K → 20M8685+1#18444#18443
20M → 21M11157+54#18443#18389
21M → 35K4269-27#18389#18416
35K → 23M9771+26#18416#18390
23M → 24M7076-6#18390#18396
24M → 40K5655+1#18396#18395
40K → 25.2M4332+11#18395#18384
25.2M → FINISH11522+93#18384#18291
TOTALS18611590+271

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📊

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