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BOSTON MARATHON 2025

Shannon Quirk

Bib: 14550•F

CT

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 23%
Gender (Female)
#0 / 12228
Top 7%
Division (F18-39)
#0 / 5469
Top 13%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:11
Rank: #8983
Start → 5K
22:11 | 7:08/mi
10K· 6.21 mi
44:13
Rank: #8759 (+224)
5K → 10K
22:02 | 7:06/mi
15K· 9.32 mi
1:06:17
Rank: #8582 (+177)
10K → 15K
22:04 | 7:06/mi
20K· 12.43 mi
1:28:25
Rank: #8277 (+305)
15K → 20K
22:08 | 7:07/mi
Half· 13.11 mi
1:33:13
Rank: #8242 (+35)
20K → Half
4:48 | 7:02/mi
25K· 15.53 mi
1:50:24
Rank: #7964 (+278)
Half → 25K
17:11 | 7:05/mi
30K· 18.64 mi
2:12:58
Rank: #7554 (+410)
25K → 30K
22:34 | 7:16/mi
20M
2:22:51
Rank: #7353 (+201)
30K → 20M
9:53 | 7:16/mi
21M
2:30:28
Rank: #7175 (+178)
20M → 21M
7:37 | 7:37/mi
35K· 21.75 mi
2:35:47
Rank: #7084 (+91)
21M → 35K
5:19 | 7:06/mi
23M
2:45:00
Rank: #6949 (+135)
35K → 23M
9:13 | 7:22/mi
24M
2:52:12
Rank: #6820 (+129)
23M → 24M
7:12 | 7:12/mi
40K· 24.85 mi
2:58:33
Rank: #6761 (+59)
24M → 40K
6:21 | 7:26/mi
25.2M
3:01:15
Rank: #6691 (+70)
40K → 25.2M
2:42 | 7:50/mi
Finish· 26.22 mi
3:08:17
Rank: #6571 (+120)
25.2M → Finish
7:02 | 6:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:13
Pace7:07 /mi
2nd Half
Distance13.11 mi
Time1:35:04
Pace7:15 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:1122:117:0822:11
7:08
-
10K
6.21 mi11:14:1344:137:0722:02
7:06
-0:02
15K
9.32 mi11:36:171:06:177:0722:04
7:06
0:00
20K
12.43 mi11:58:251:28:257:0722:08
7:07
+0:01
Half
13.11 mi12:03:131:33:137:074:48
7:02
-0:05
25K
15.53 mi12:20:241:50:247:0617:11
7:05
+0:03
30K
18.64 mi12:42:582:12:587:0822:34
7:16
+0:11
20M
20.00 mi12:52:512:22:517:099:53
7:16
0:00
21M
21.00 mi13:00:282:30:287:107:37
7:37
+0:21
35K
21.75 mi13:05:472:35:477:105:19
7:06
-0:31
23M
23.00 mi13:15:002:45:007:109:13
7:22
+0:16
24M
24.00 mi13:22:122:52:127:117:12
7:12
-0:10
40K
24.85 mi13:28:332:58:337:116:21
7:26
+0:14
25.2M
25.20 mi13:31:153:01:157:122:42
7:50
+0:24
Finish
26.22 mi13:38:173:08:177:117:02
6:54
-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

6:54 /mi

Average Pace

7:11 /mi

Slowest Pace

7:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:57:58

95% of race

Time at Steady Pace

10:19

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:11 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:52:1122:117:0822:11
7:08
#8983
10K
6.21 mi11:14:1344:137:0722:02
7:06
#8759
15K
9.32 mi11:36:171:06:177:0722:04
7:06
#8582
20K
12.43 mi11:58:251:28:257:0722:08
7:07
#8277
Half
13.11 mi12:03:131:33:137:074:48
7:02
#8242
25K
15.53 mi12:20:241:50:247:0617:11
7:05
#7964
30K
18.64 mi12:42:582:12:587:0822:34
7:16
#7554
20M
20.00 mi12:52:512:22:517:099:53
7:16
#7353
21M
21.00 mi13:00:282:30:287:107:37
7:37
#7175
35K
21.75 mi13:05:472:35:477:105:19
7:06
#7084
23M
23.00 mi13:15:002:45:007:109:13
7:22
#6949
24M
24.00 mi13:22:122:52:127:117:12
7:12
#6820
40K
24.85 mi13:28:332:58:337:116:21
7:26
#6761
25.2M
25.20 mi13:31:153:01:157:122:42
7:50
#6691
Finish
26.22 mi13:38:173:08:177:117:02
6:54
#6571
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8983135913598360(Top 29%)1180(Top 10%)1180(Top 22%)
10K6.21 mi3.10 mi8759+2241278+811278+818621(Top 30%)1223(Top 10%)1223(Top 22%)
15K9.32 mi3.11 mi8582+1771221+571221+578360(Top 29%)1180(Top 10%)1180(Top 22%)
20K12.43 mi3.11 mi8277+3051130+911130+917670(Top 27%)990(Top 8%)990(Top 18%)
Half13.11 mi0.68 mi8242+351123+71123+77877(Top 28%)1036(Top 8%)1036(Top 19%)
25K15.53 mi2.42 mi7964+2781039+841039+846905(Top 24%)838(Top 7%)838(Top 15%)
30K18.64 mi3.11 mi7554+410931+108931+1086258(Top 22%)750(Top 6%)750(Top 14%)
20M20.00 mi1.36 mi7353+201905+26905+265643(Top 20%)698(Top 6%)698(Top 13%)
21M21.00 mi1.00 mi7175+178886+19886+195242(Top 18%)674(Top 6%)674(Top 12%)
35K21.75 mi0.75 mi7084+91876+10876+106057(Top 21%)936(Top 8%)936(Top 17%)
23M23.00 mi1.25 mi6949+135865+11865+115832(Top 21%)946(Top 8%)946(Top 17%)
24M24.00 mi1.00 mi6820+129858+7858+75850(Top 21%)1007(Top 8%)1007(Top 18%)
40K24.85 mi0.85 mi6761+59869-11869-116384(Top 22%)1283(Top 10%)1283(Top 23%)
25.2M25.20 mi0.35 mi6691+70865+4865+45100(Top 18%)898(Top 7%)898(Top 16%)
Finish26.22 mi1.02 mi6571+120854+11854+115130(Top 18%)903(Top 7%)903(Top 17%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21stories
+97ft-345ft

Overall

8360

Females

1180

F18-39

1180

5K→10K

3.1 - 6.2 mi

Top 30%
×5stories
+79ft-138ft

Overall

8621

Females

1223

F18-39

1223

10K→15K

6.2 - 9.3 mi

Top 29%
×3stories
+67ft-78ft

Overall

8360

Females

1180

F18-39

1180

15K→20K

9.3 - 12.4 mi

Top 27%
×5stories
+106ft-86ft

Overall

7670

Females

990

F18-39

990

20K→Half

12.4 - 13.1 mi

Top 28%
×2stories
+19ft-37ft

Overall

7877

Females

1036

F18-39

1036

Half→25K

13.1 - 15.5 mi

Top 24%
×4stories
+66ft-88ft

Overall

6905

Females

838

F18-39

838

25K→30K

15.5 - 18.6 mi

Top 22%
×9stories
+181ft-148ft

Overall

6258

Females

750

F18-39

750

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5643

Females

698

F18-39

698

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

5242

Females

674

F18-39

674

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

6057

Females

936

F18-39

936

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

5832

Females

946

F18-39

946

23M→24M

23.0 - 24.0 mi

Top 21%
×6stories
+12ft-82ft

Overall

5850

Females

1007

F18-39

1007

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

6384

Females

1283

F18-39

1283

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

5100

Females

898

F18-39

898

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

5130

Females

903

F18-39

903

Passing Analysis

Category:
Athletes Passed
2824
Passed By
412
Net Change
+2412
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8983
5K → 10K343119+224#8983#8759
10K → 15K26083+177#8759#8582
15K → 20K33934+305#8582#8277
20K → Half383+35#8277#8242
Half → 25K30022+278#8242#7964
25K → 30K43626+410#7964#7554
30K → 20M21211+201#7554#7353
20M → 21M19113+178#7353#7175
21M → 35K965+91#7175#7084
35K → 23M15318+135#7084#6949
23M → 24M14314+129#6949#6820
24M → 40K10041+59#6820#6761
40K → 25.2M777+70#6761#6691
25.2M → Finish13616+120#6691#6571
TOTALS2824412+2412
📊

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