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BOSTON MARATHON 2023

Jill Ireland

Bib: 16922•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 41%
Masters (Masters Women)
#0 / 6539
Top 29%
Division (F60-64)
#0 / 527
Top 6%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:24
Rank: #12889
Start → 5K
24:24 | 7:51/mi
10K· 6.21 mi
48:54
Rank: #13352 (-463)
5K → 10K
24:30 | 7:53/mi
15K· 9.32 mi
1:14:10
Rank: #14037 (-685)
10K → 15K
25:16 | 8:08/mi
20K· 12.43 mi
1:40:59
Rank: #15064 (-1027)
15K → 20K
26:49 | 8:38/mi
Half· 13.11 mi
1:46:34
Rank: #15088 (-24)
20K → Half
5:35 | 8:11/mi
25K· 15.53 mi
2:06:55
Rank: #15137 (-49)
Half → 25K
20:21 | 8:24/mi
30K· 18.64 mi
2:33:27
Rank: #15009 (+128)
25K → 30K
26:32 | 8:32/mi
20M
2:45:17
Rank: #14993 (+16)
30K → 20M
11:50 | 8:42/mi
21M
2:54:33
Rank: #14964 (+29)
20M → 21M
9:16 | 9:16/mi
35K· 21.75 mi
3:00:48
Rank: #14944 (+20)
21M → 35K
6:15 | 8:21/mi
23M
3:11:44
Rank: #14905 (+39)
35K → 23M
10:56 | 8:44/mi
24M
3:20:09
Rank: #14841 (+64)
23M → 24M
8:25 | 8:25/mi
40K· 24.85 mi
3:27:30
Rank: #14775 (+66)
24M → 40K
7:21 | 8:36/mi
25.2M
3:30:41
Rank: #14753 (+22)
40K → 25.2M
3:11 | 9:14/mi
Finish· 26.22 mi
3:39:08
Rank: #14707 (+46)
25.2M → Finish
8:27 | 8:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:34
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time1:52:34
Pace8:35 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:4124:247:5124:24
7:51
-
10K
6.21 mi11:39:1148:547:5224:30
7:53
+0:02
15K
9.32 mi12:04:271:14:107:5725:16
8:08
+0:15
20K
12.43 mi12:31:161:40:598:0826:49
8:38
+0:30
Half
13.11 mi12:36:511:46:348:085:35
8:11
-0:27
25K
15.53 mi12:57:122:06:558:1020:21
8:24
+0:13
30K
18.64 mi13:23:442:33:278:1426:32
8:32
+0:08
20M
20.00 mi13:35:342:45:178:1611:50
8:42
+0:10
21M
21.00 mi13:44:502:54:338:199:16
9:16
+0:34
35K
21.75 mi13:51:053:00:488:196:15
8:21
-0:55
23M
23.00 mi14:02:013:11:448:2010:56
8:44
+0:23
24M
24.00 mi14:10:263:20:098:208:25
8:25
-0:19
40K
24.85 mi14:17:473:27:308:217:21
8:36
+0:11
25.2M
25.20 mi14:20:583:30:418:223:11
9:14
+0:38
Finish
26.22 mi14:29:253:39:088:228:27
8:18
-0:56

Checkpoints & Pacing

📈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

7:51 /mi

Average Pace

8:22 /mi

Slowest Pace

9:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:03:55

84% of race

Time at Steady Pace

25:57

12% of race

Time at Slower Pace

9:16

4% of race

Average Pace: 8:21 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:14:4124:247:5124:24
7:51
#12889
10K
6.21 mi11:39:1148:547:5224:30
7:53
#13352
15K
9.32 mi12:04:271:14:107:5725:16
8:08
#14037
20K
12.43 mi12:31:161:40:598:0826:49
8:38
#15064
Half
13.11 mi12:36:511:46:348:085:35
8:11
#15088
25K
15.53 mi12:57:122:06:558:1020:21
8:24
#15137
30K
18.64 mi13:23:442:33:278:1426:32
8:32
#15009
20M
20.00 mi13:35:342:45:178:1611:50
8:42
#14993
21M
21.00 mi13:44:502:54:338:199:16
9:16
#14964
35K
21.75 mi13:51:053:00:488:196:15
8:21
#14944
23M
23.00 mi14:02:013:11:448:2010:56
8:44
#14905
24M
24.00 mi14:10:263:20:098:208:25
8:25
#14841
40K
24.85 mi14:17:473:27:308:217:21
8:36
#14775
25.2M
25.20 mi14:20:583:30:418:223:11
9:14
#14753
Finish
26.22 mi14:29:253:39:088:228:27
8:18
#14707
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi128893380338015389(Top 58%)4903(Top 43%)4903(Top 930%)
10K6.21 mi3.10 mi13352-4633658-2783658-27813879(Top 52%)3971(Top 35%)3971(Top 754%)
15K9.32 mi3.11 mi14037-6854082-4244082-42415389(Top 58%)4903(Top 43%)4903(Top 930%)
20K12.43 mi3.11 mi15064-10274722-6404722-64017688(Top 66%)6333(Top 55%)6333(Top 1202%)
Half13.11 mi0.68 mi15088-244738-164738-1615707(Top 59%)5113(Top 45%)5113(Top 970%)
25K15.53 mi2.42 mi15137-494791-534791-5315541(Top 58%)5160(Top 45%)5160(Top 979%)
30K18.64 mi3.11 mi15009+1284753+384753+3814558(Top 55%)4662(Top 41%)4662(Top 885%)
20M20.00 mi1.36 mi14993+164768-154768-1514913(Top 56%)4940(Top 43%)4940(Top 937%)
21M21.00 mi1.00 mi14964+294769-14769-114827(Top 56%)4946(Top 43%)4946(Top 939%)
35K21.75 mi0.75 mi14944+204777-84777-814472(Top 54%)4824(Top 42%)4824(Top 915%)
23M23.00 mi1.25 mi14905+394775+24775+214603(Top 55%)4956(Top 43%)4956(Top 940%)
24M24.00 mi1.00 mi14841+644754+214754+2114002(Top 53%)4676(Top 41%)4676(Top 887%)
40K24.85 mi0.85 mi14775+664742+124742+1213959(Top 52%)4722(Top 41%)4722(Top 896%)
25.2M25.20 mi0.35 mi14753+224741+14741+113868(Top 52%)4679(Top 41%)4679(Top 888%)
Finish26.22 mi1.02 mi14707+464729+124729+1214084(Top 53%)4788(Top 42%)4788(Top 909%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

15389

Females

4903

F60-64

4903

5K→10K

3.1 - 6.2 mi

Top 52%
×5stories
+79ft-138ft

Overall

13879

Females

3971

F60-64

3971

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

15389

Females

4903

F60-64

4903

15K→20K

9.3 - 12.4 mi

Top 66%
×5stories
+106ft-86ft

Overall

17688

Females

6333

F60-64

6333

20K→Half

12.4 - 13.1 mi

Top 59%
×2stories
+19ft-37ft

Overall

15707

Females

5113

F60-64

5113

Half→25K

13.1 - 15.5 mi

Top 58%
×4stories
+66ft-88ft

Overall

15541

Females

5160

F60-64

5160

25K→30K

15.5 - 18.6 mi

Top 55%
×9stories
+181ft-148ft

Overall

14558

Females

4662

F60-64

4662

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

14913

Females

4940

F60-64

4940

20M→21M

20.0 - 21.0 mi

Top 56%
×8stories
+106ft-24ft

Overall

14827

Females

4946

F60-64

4946

21M→35K

21.0 - 21.8 mi

Top 54%
×7stories
+17ft-86ft

Overall

14472

Females

4824

F60-64

4824

35K→23M

21.8 - 23.0 mi

Top 55%
×5stories
+23ft-63ft

Overall

14603

Females

4956

F60-64

4956

23M→24M

23.0 - 24.0 mi

Top 53%
×6stories
+12ft-82ft

Overall

14002

Females

4676

F60-64

4676

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

13959

Females

4722

F60-64

4722

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

13868

Females

4679

F60-64

4679

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2stories
+22ft-21ft

Overall

14084

Females

4788

F60-64

4788

Passing Analysis

Category:
Athletes Passed
1256
Passed By
3074
Net Change
-1818
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12889
5K → 10K135598-463#12889#13352
10K → 15K45730-685#13352#14037
15K → 20K381065-1027#14037#15064
20K → Half2549-24#15064#15088
Half → 25K121170-49#15088#15137
25K → 30K242114+128#15137#15009
30K → 20M9074+16#15009#14993
20M → 21M10273+29#14993#14964
21M → 35K5737+20#14964#14944
35K → 23M10061+39#14944#14905
23M → 24M9430+64#14905#14841
24M → 40K9226+66#14841#14775
40K → 25.2M3917+22#14775#14753
25.2M → Finish7630+46#14753#14707
TOTALS12563074-1818
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing