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BOSTON MARATHON 2025

Makenzie Iorg

Bib: 18544•F

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F40-44)
#0 / 1718
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:33/mi
26:34
↑ 97↓ 3451.5%
10K· 6.21 mi
8:49/mi
53:59
↑ 79↓ 1380.4%
15K· 9.32 mi
8:35/mi
1:20:38
↑ 67↓ 78
20K· 12.43 mi
8:46/mi
1:47:53
↑ 106↓ 860.1%
Half· 13.11 mi
8:37/mi
1:53:46
↑ 19↓ 370.5%
25K· 15.53 mi
8:56/mi
2:15:25
↑ 66↓ 880.2%
30K· 18.64 mi
9:15/mi
2:44:08
↑ 181↓ 1480.2%
20M
9:51/mi
2:57:31
↑ 64↓ 500.2%
21M
11:09/mi
3:08:40
↑ 106↓ 241.6%
35K· 21.75 mi
8:56/mi
3:15:21
↑ 17↓ 861.7%
23M
9:33/mi
3:27:19
↑ 23↓ 630.6%
24M
10:10/mi
3:37:29
↓ 821.3%
40K· 24.85 mi
9:31/mi
3:45:37
↓ 200.3%
25.2M
10:29/mi
3:49:14
↑ 13↓ 160.2%
Finish· 26.22 mi
9:00/mi
3:58:24
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:46
Pace8:41 /mi
2nd Half
Distance13.11 mi
Time2:04:38
Pace9:30 /mi
📊Positive Split: 9.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:1426:348:3326:34
8:33
-
10K
6.21 mi11:50:3953:598:4127:25
8:49
+0:16
15K
9.32 mi12:17:181:20:388:3926:39
8:35
-0:14
20K
12.43 mi12:44:331:47:538:4127:15
8:46
+0:11
Half
13.11 mi12:50:261:53:468:415:53
8:37
-0:09
25K
15.53 mi13:12:052:15:258:4321:39
8:56
+0:19
30K
18.64 mi13:40:482:44:088:4828:43
9:15
+0:19
20M
20.00 mi13:54:112:57:318:5313:23
9:51
+0:36
21M
21.00 mi14:05:203:08:408:5911:09
11:09
+1:18
35K
21.75 mi14:12:013:15:218:596:41
8:56
-2:13
23M
23.00 mi14:23:593:27:199:0111:58
9:33
+0:37
24M
24.00 mi14:34:093:37:299:0410:10
10:10
+0:37
40K
24.85 mi14:42:173:45:379:058:08
9:31
-0:39
25.2M
25.20 mi14:45:543:49:149:063:37
10:29
+0:58
Finish
26.22 mi14:55:043:58:249:069:10
9:00
-1:29

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

8:33 /mi

Average Pace

9:06 /mi

Slowest Pace

11:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

59:06

25% of race

Time at Steady Pace

2:00:53

51% of race

Time at Slower Pace

58:25

25% of race

Average Pace: 9:06 /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 mi11:23:1426:348:3326:34
8:33
#20209
10K
6.21 mi11:50:3953:598:4127:25
8:49
#20858
15K
9.32 mi12:17:181:20:388:3926:39
8:35
#20493
20K
12.43 mi12:44:331:47:538:4127:15
8:46
#20304
Half
13.11 mi12:50:261:53:468:415:53
8:37
#20290
25K
15.53 mi13:12:052:15:258:4321:39
8:56
#20168
30K
18.64 mi13:40:482:44:088:4828:43
9:15
#19893
20M
20.00 mi13:54:112:57:318:5313:23
9:51
#19969
21M
21.00 mi14:05:203:08:408:5911:09
11:09
#20117
35K
21.75 mi14:12:013:15:218:596:41
8:56
#20040
23M
23.00 mi14:23:593:27:199:0111:58
9:33
#19984
24M
24.00 mi14:34:093:37:299:0410:10
10:10
#20109
40K
24.85 mi14:42:173:45:379:058:08
9:31
#20050
25.2M
25.20 mi14:45:543:49:149:063:37
10:29
#20052
Finish
26.22 mi14:55:043:58:249:069:10
9:00
#20027
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi202097623762319803(Top 70%)7336(Top 60%)7336(Top 427%)
10K6.21 mi3.10 mi20858-6497974-3517974-35121526(Top 76%)8321(Top 68%)8321(Top 484%)
15K9.32 mi3.11 mi20493+3657748+2267748+22619803(Top 70%)7336(Top 60%)7336(Top 427%)
20K12.43 mi3.11 mi20304+1897651+977651+9719805(Top 70%)7376(Top 60%)7376(Top 429%)
Half13.11 mi0.68 mi20290+147647+47647+419984(Top 70%)7472(Top 61%)7472(Top 435%)
25K15.53 mi2.42 mi20168+1227586+617586+6119592(Top 69%)7313(Top 60%)7313(Top 426%)
30K18.64 mi3.11 mi19893+2757461+1257461+12518874(Top 66%)7054(Top 58%)7054(Top 411%)
20M20.00 mi1.36 mi19969-767530-697530-6920455(Top 72%)8051(Top 66%)8051(Top 469%)
21M21.00 mi1.00 mi20117-1487649-1197649-11921773(Top 77%)8845(Top 72%)8845(Top 515%)
35K21.75 mi0.75 mi20040+777616+337616+3317967(Top 63%)6893(Top 56%)6893(Top 401%)
23M23.00 mi1.25 mi19984+567610+67610+618945(Top 67%)7486(Top 61%)7486(Top 436%)
24M24.00 mi1.00 mi20109-1257697-877697-8721848(Top 77%)9060(Top 74%)9060(Top 527%)
40K24.85 mi0.85 mi20050+597685+127685+1218789(Top 66%)7527(Top 62%)7527(Top 438%)
25.2M25.20 mi0.35 mi20052-27701-167701-1619001(Top 67%)7640(Top 62%)7640(Top 445%)
Finish26.22 mi1.02 mi20027+257696+57696+519056(Top 67%)7635(Top 62%)7635(Top 444%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21story building
+97ft-345ft

Overall

19803

Females

7336

F40-44

7336

5K→10K

3.1 - 6.2 mi

Top 76%
×5story building
+79ft-138ft

Overall

21526

Females

8321

F40-44

8321

10K→15K

6.2 - 9.3 mi

Top 70%
×3story building
+67ft-78ft

Overall

19803

Females

7336

F40-44

7336

15K→20K

9.3 - 12.4 mi

Top 70%
×5story building
+106ft-86ft

Overall

19805

Females

7376

F40-44

7376

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

19984

Females

7472

F40-44

7472

Half→25K

13.1 - 15.5 mi

Top 69%
×4story building
+66ft-88ft

Overall

19592

Females

7313

F40-44

7313

25K→30K

15.5 - 18.6 mi

Top 66%
×9story building
+181ft-148ft

Overall

18874

Females

7054

F40-44

7054

30K→20M

18.6 - 20.0 mi

Top 72%
×5story building
+64ft-50ft

Overall

20455

Females

8051

F40-44

8051

20M→21M

20.0 - 21.0 mi

Top 77%
×8story building
+106ft-24ft

Overall

21773

Females

8845

F40-44

8845

21M→35K

21.0 - 21.8 mi

Top 63%
×7story building
+17ft-86ft

Overall

17967

Females

6893

F40-44

6893

35K→23M

21.8 - 23.0 mi

Top 67%
×5story building
+23ft-63ft

Overall

18945

Females

7486

F40-44

7486

23M→24M

23.0 - 24.0 mi

Top 77%
×6story building
+12ft-82ft

Overall

21848

Females

9060

F40-44

9060

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

18789

Females

7527

F40-44

7527

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

19001

Females

7640

F40-44

7640

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2story building
+22ft-21ft

Overall

19056

Females

7635

F40-44

7635

Passing Analysis

Category:
Athletes Passed
1970
Passed By
1788
Net Change
+182
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20209
5K → 10K88737-649#20209#20858
10K → 15K42661+365#20858#20493
15K → 20K27586+189#20493#20304
20K → Half3925+14#20304#20290
Half → 25K21694+122#20290#20168
25K → 30K36590+275#20168#19893
30K → 20M86162-76#19893#19969
20M → 21M55203-148#19969#20117
21M → 35K9619+77#20117#20040
35K → 23M10852+56#20040#19984
23M → 24M29154-125#19984#20109
24M → 40K8021+59#20109#20050
40K → 25.2M2931-2#20050#20052
25.2M → Finish7853+25#20052#20027
TOTALS19701788+182
📊

Passing Visuals

Category:
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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