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BOSTON MARATHON 2026

Joanne Irwin

Bib: 22199•F

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0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
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
25:42
3.11 mi
Rank: #18717
Start → 5K
25:42 | 8:17/mi
10K
52:00
6.21 mi
Rank: #19441 (-724)
5K → 10K
26:18 | 8:28/mi
15K
1:18:52
9.32 mi
Rank: #19927 (-486)
10K → 15K
26:52 | 8:39/mi
20K
1:47:01
12.43 mi
Rank: #20551 (-624)
15K → 20K
28:09 | 9:04/mi
HALF
1:53:03
13.11 mi
Rank: #20647 (-96)
20K → HALF
6:02 | 8:52/mi
25K
2:16:01
15.53 mi
Rank: #21116 (-469)
HALF → 25K
22:58 | 9:29/mi
30K
2:49:15
18.64 mi
Rank: #22097 (-981)
25K → 30K
33:14 | 10:42/mi
20M
3:02:29
20.00 mi
Rank: #22088 (+9)
30K → 20M
13:14 | 9:45/mi
21M
3:13:26
21.00 mi
Rank: #22174 (-86)
20M → 21M
10:57 | 10:57/mi
35K
3:20:52
21.75 mi
Rank: #22231 (-57)
21M → 35K
7:26 | 9:57/mi
23M
3:33:25
23.00 mi
Rank: #22217 (+14)
35K → 23M
12:33 | 10:02/mi
24M
3:43:01
24.00 mi
Rank: #22194 (+23)
23M → 24M
9:36 | 9:36/mi
40K
3:51:30
24.85 mi
Rank: #22183 (+11)
24M → 40K
8:29 | 9:56/mi
25.2M
3:55:13
25.20 mi
Rank: #22190 (-7)
40K → 25.2M
3:43 | 10:47/mi
FINISH
4:04:22
26.22 mi
Rank: #22129 (+61)
25.2M → FINISH
9:09 | 8:59/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:53:03
Pace8:38 /mi
2nd Half
Distance13.11 mi
Time2:11:19
Pace10:02 /mi
📊Positive Split: 16.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:0925:428:1725:42
8:17
-
10K
6.21 mi11:53:2752:008:2326:18
8:28
+0:11
15K
9.32 mi12:20:191:18:528:2826:52
8:39
+0:11
20K
12.43 mi12:48:281:47:018:3728:09
9:04
+0:25
HALF
13.11 mi12:54:301:53:038:386:02
8:52
-0:12
25K
15.53 mi13:17:282:16:018:4622:58
9:29
+0:37
30K
18.64 mi13:50:422:49:159:0533:14
10:42
+1:13
20M
20.00 mi14:03:563:02:299:0813:14
9:45
-0:57
21M
21.00 mi14:14:533:13:269:1310:57
10:57
+1:12
35K
21.75 mi14:22:193:20:529:157:26
9:57
-1:00
23M
23.00 mi14:34:523:33:259:1712:33
10:02
+0:05
24M
24.00 mi14:44:283:43:019:189:36
9:36
-0:26
40K
24.85 mi14:52:573:51:309:198:29
9:56
+0:20
25.2M
25.20 mi14:56:403:55:139:213:43
10:47
+0:51
FINISH
26.22 mi15:05:494:04:229:209:09
8:59
-1:48

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

8:17 /mi

Average Pace

9:20 /mi

Slowest Pace

10:57 /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

2:02:12

50% of race

Time at Steady Pace

1:01:43

25% of race

Time at Slower Pace

1:00:27

25% of race

Average Pace: 9:19 /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 mi11:27:0925:428:1725:42
8:17
#18717
10K
6.21 mi11:53:2752:008:2326:18
8:28
#19441
15K
9.32 mi12:20:191:18:528:2826:52
8:39
#19927
20K
12.43 mi12:48:281:47:018:3728:09
9:04
#20551
HALF
13.11 mi12:54:301:53:038:386:02
8:52
#20647
25K
15.53 mi13:17:282:16:018:4622:58
9:29
#21116
30K
18.64 mi13:50:422:49:159:0533:14
10:42
#22097
20M
20.00 mi14:03:563:02:299:0813:14
9:45
#22088
21M
21.00 mi14:14:533:13:269:1310:57
10:57
#22174
35K
21.75 mi14:22:193:20:529:157:26
9:57
#22231
23M
23.00 mi14:34:523:33:259:1712:33
10:02
#22217
24M
24.00 mi14:44:283:43:019:189:36
9:36
#22194
40K
24.85 mi14:52:573:51:309:198:29
9:56
#22183
25.2M
25.20 mi14:56:403:55:139:213:43
10:47
#22190
FINISH
26.22 mi15:05:494:04:229:209:09
8:59
#22129
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 mi187176916691620926(Top 72%)8087(Top 64%)8087(Top 453%)
10K6.21 mi3.10 mi19441-7247312-3967312-39620177(Top 70%)7695(Top 61%)7695(Top 431%)
15K9.32 mi3.11 mi19927-4867566-2547566-25420926(Top 72%)8087(Top 64%)8087(Top 453%)
20K12.43 mi3.11 mi20551-6247914-3487914-34822203(Top 77%)8764(Top 70%)8764(Top 491%)
HALF13.11 mi0.68 mi20647-967965-517965-5122101(Top 76%)8691(Top 69%)8691(Top 487%)
25K15.53 mi2.42 mi21116-4698226-2618226-26122939(Top 79%)9170(Top 73%)9170(Top 513%)
30K18.64 mi3.11 mi22097-9818737-5118737-51124707(Top 85%)10220(Top 81%)10220(Top 572%)
20M20.00 mi1.36 mi22088+98740-38740-321856(Top 75%)8774(Top 70%)8774(Top 491%)
21M21.00 mi1.00 mi22174-868801-618801-6123002(Top 79%)9422(Top 75%)9422(Top 528%)
35K21.75 mi0.75 mi22231-578843-428843-4222988(Top 79%)9442(Top 75%)9442(Top 529%)
23M23.00 mi1.25 mi22217+148853-108853-1022225(Top 77%)9117(Top 72%)9117(Top 510%)
24M24.00 mi1.00 mi22194+238858-58858-521674(Top 75%)8886(Top 71%)8886(Top 498%)
40K24.85 mi0.85 mi22183+118863-58863-521731(Top 75%)8969(Top 71%)8969(Top 502%)
25.2M25.20 mi0.35 mi22190-78873-108873-1021849(Top 75%)8997(Top 72%)8997(Top 504%)
FINISH26.22 mi1.02 mi22129+618854+198854+1920452(Top 70%)8318(Top 66%)8318(Top 466%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21
+97ft-345ft

Overall

20926

Females

8087

F45-49

8087

5K→10K

3.1 - 6.2 mi

Top 70%
×5
+79ft-138ft

Overall

20177

Females

7695

F45-49

7695

10K→15K

6.2 - 9.3 mi

Top 72%
×3
+67ft-78ft

Overall

20926

Females

8087

F45-49

8087

15K→20K

9.3 - 12.4 mi

Top 77%
×5
+106ft-86ft

Overall

22203

Females

8764

F45-49

8764

20K→HALF

12.4 - 13.1 mi

Top 76%
×2
+19ft-37ft

Overall

22101

Females

8691

F45-49

8691

HALF→25K

13.1 - 15.5 mi

Top 79%
×4
+66ft-88ft

Overall

22939

Females

9170

F45-49

9170

25K→30K

15.5 - 18.6 mi

Top 85%
×9
+181ft-148ft

Overall

24707

Females

10220

F45-49

10220

30K→20M

18.6 - 20.0 mi

Top 75%
×5
+64ft-50ft

Overall

21856

Females

8774

F45-49

8774

20M→21M

20.0 - 21.0 mi

Top 79%
×8
+106ft-24ft

Overall

23002

Females

9422

F45-49

9422

21M→35K

21.0 - 21.8 mi

Top 79%
×7
+17ft-86ft

Overall

22988

Females

9442

F45-49

9442

35K→23M

21.8 - 23.0 mi

Top 77%
×5
+23ft-63ft

Overall

22225

Females

9117

F45-49

9117

23M→24M

23.0 - 24.0 mi

Top 75%
×6
+12ft-82ft

Overall

21674

Females

8886

F45-49

8886

24M→40K

24.0 - 24.9 mi

Top 75%
×1
+6ft-20ft

Overall

21731

Females

8969

F45-49

8969

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1
+13ft-16ft

Overall

21849

Females

8997

F45-49

8997

25.2M→FINISH

25.2 - 26.2 mi

Top 70%
×2
+22ft-21ft

Overall

20452

Females

8318

F45-49

8318

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Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
712
Passed By
4124
Net Change
-3412
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18717
5K → 10K70794-724#18717#19441
10K → 15K49535-486#19441#19927
15K → 20K50674-624#19927#20551
20K → HALF11107-96#20551#20647
HALF → 25K34503-469#20647#21116
25K → 30K231004-981#21116#22097
30K → 20M9485+9#22097#22088
20M → 21M46132-86#22088#22174
21M → 35K3592-57#22174#22231
35K → 23M9278+14#22231#22217
23M → 24M6037+23#22217#22194
24M → 40K5443+11#22194#22183
40K → 25.2M1724-7#22183#22190
25.2M → FINISH7716+61#22190#22129
TOTALS7124124-3412

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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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing